Hollow Section Products: A Complete Guide

Growing Opportunities for Tubes and Pipes Market in China, Reveals Recent News Content

China Tubes and Pipes - Offering Quality Products with a Commitment to Excellence China Tubes and Pipes (Name Removed) is one of the leading manufacturers of seamless steel pipes and tubes in China. The company has been serving the industry for more than a decade and has built a reputation for quality products and excellent customer service. Their commitment to meeting the diverse needs of their customers and continuously improving their processes and products has enabled them to become a trusted supplier in the global market.The product range of China Tubes and Pipes includes various types of seamless steel pipes and tubes, such as carbon steel pipes, alloy steel pipes, stainless steel pipes, and special steel pipes. The company has a state-of-the-art manufacturing facility equipped with the latest technology and machinery. This enables them to produce a wide range of products in different sizes and specifications to meet the varied needs of their customers.One of the key strengths of China Tubes and Pipes is their focus on quality. The company has a well-equipped quality control department that ensures that every product meets the highest quality standards. They have implemented a comprehensive quality control system that covers every stage of the production process – from raw material procurement to final inspection. This enables them to produce products that are not only of superior quality but also meet international standards such as ASTM, ASME, API, EN, DIN, JIS, and GB.Another strength of China Tubes and Pipes is their commitment to customer satisfaction. The company has a dedicated team of experts who work closely with customers to understand their specific needs and provide customized solutions. They have a well-established network of distributors and agents in more than twenty countries, which enables them to cater to customers across the globe. In addition, the company offers flexible payment terms, timely delivery, and excellent after-sales service to ensure that their customers are satisfied.China Tubes and Pipes has also invested in research and development to continuously improve their products and processes. Their R&D team comprises experienced engineers and metallurgists who work on developing new products and improving the existing ones. They also collaborate with leading universities and research institutes to stay abreast with the latest technological advancements in the industry.Apart from the quality of their products and services, China Tubes and Pipes also emphasizes sustainable development. The company has implemented a green manufacturing system that reduces emissions and waste. They also use recyclable materials and promote energy conservation throughout their operations. The company is committed to being a responsible corporate citizen and contributing to the betterment of society.In conclusion, China Tubes and Pipes (Name Removed) is a customer-focused, quality-driven, and environmentally responsible company that offers a wide range of seamless steel pipes and tubes. Their commitment to excellence and continuous improvement has enabled them to become a trusted supplier in the global market. As they continue to evolve and grow, they remain committed to providing their customers with the highest quality products and services.

Discover the Latest Updates and Trends in Aluminum Coil Manufacturing from China

China Aluminum Coil: A Rising Industry Leader in the Global MarketIntroduction: China Aluminum Coil, a prominent player in the global aluminum industry, has been making waves in recent times. With advancements in technology, increased production capacity, and a strong commitment to quality, the company has emerged as a frontrunner in the highly competitive global market. This news article provides an overview of China Aluminum Coil, highlighting its key strengths, market dominance, and future prospects.Established in 2002, China Aluminum Coil has quickly emerged as a leading manufacturer and exporter of aluminum coils, sheets, and strips. The company's state-of-the-art production facilities, equipped with cutting-edge machinery, enable them to produce a wide range of high-quality aluminum products that cater to varying industry requirements. China Aluminum Coil's commitment to innovation and continuous improvement has propelled its growth and positioned it as a preferred supplier for domestic and international customers.Market Dominance:A significant reason for China Aluminum Coil's success is its dominant position in the global market. The company has established an extensive distribution network spanning across more than 80 countries, allowing it to reach customers worldwide. Moreover, China Aluminum Coil's reputation for reliability, product consistency, and competitive pricing has made it a preferred partner for many large-scale construction, automotive, and aerospace projects globally.Quality Assurance:China Aluminum Coil places utmost importance on quality assurance. The company follows strict quality management systems and has obtained ISO 9001 certification for its production and supply chain processes. This commitment to quality ensures that customers receive only the finest aluminum products that conform to international standards.Innovation and Sustainable Practices:Embracing innovation, China Aluminum Coil consistently invests in research and development to enhance its product offerings. The company's dedicated team of engineers works tirelessly to develop new alloys, improve manufacturing processes, and cultivate the use of lightweight aluminum in various industries. By prioritizing sustainability, China Aluminum Coil aims to minimize its environmental impact, adopt energy-efficient technologies, and promote a greener product portfolio.Partnerships and Collaborations:Recognizing the importance of strategic partnerships, China Aluminum Coil actively collaborates with industry leaders, research institutions, and technology providers. These collaborations facilitate knowledge sharing, enable access to the latest market trends, and foster long-term growth opportunities. By fostering an environment conducive to collaborative innovation, China Aluminum Coil stays ahead of the curve, adapting swiftly to changing market demands.Future Prospects:The future looks promising for China Aluminum Coil as it continues to expand its market share and strengthen its global position. With the rise in demand for lightweight and durable aluminum products, the company is well-positioned to capitalize on the opportunities presented by the construction, automotive, and aerospace sectors. Furthermore, as global environmental regulations tighten, the company's commitment to sustainability will serve as a competitive advantage.Conclusion:China Aluminum Coil's rise to prominence in the global aluminum industry is a testament to its unwavering commitment to quality, innovation, and customer satisfaction. As it continues to invest in advanced technology, expand its distribution network, and forge strategic collaborations, the company is poised to achieve even greater heights in the future. With a strong foundation built on excellence and sustainability, China Aluminum Coil is undoubtedly a rising industry leader in the global market.

Discover the Versatility and Strength of Black Aluminum Square Tubing

Steel Hollow Sections: The Galvanised Advantage" can be rewritten as "The Benefits of Galvanised Steel Hollow Sections" to remove the brand name.

Galvanised Hollow Sections Witness Growth in Demand The construction and infrastructure sector has been at the forefront of economic growth, and one of the key elements powering this growth has been the use of galvanized steel products. The use of Galvanised Hollow Sections (GHS) has increased significantly in recent years, and industry insiders expect that this demand will continue to grow in the years to come.One of the leading companies in this field is {brand name removed}, based in {location removed}. The company has been at the forefront of galvanized steel products for over a decade and has established itself as a key player in the GHS industry. The company has been successful in providing high-quality galvanized products and has been able to cement itself as a reliable source for many businesses.{Brand name removed} offers a wide range of products that includes tubing, pipes, and structural steel sections coated with the galvanized layer. The company prides itself on its capabilities to produce products of exceptional quality. It uses high-grade steel and galvanising coatings that ensure that the products have unmatched durability, reliability, and longevity.In addition to that, {brand name removed} has always been responsive to the market needs, and it was quick to understand the increasing demand for GHS with a bigger diameter. To cater to this market requirement, the company expanded its production line and can now offer GHS in larger diameters, up to 500mm with a thickness of 16mm. This has been a critical success factor, leading to an increase in the demand for {brand name removed}'s GHS products.The construction and infrastructure market demand has observed steady growth over the years, and the current events of the pandemic have confirmed this trend. The onset of COVID-19 has had a profound impact on the world economy, but the construction industry is one of the key sectors that continue to operate strongly.As a result, the demand for galvanized steel products, particularly GHS, has been undergoing unprecedented growth. Galvanized steel is preferred in the construction industry because it offers a range of advantages such as, it has high corrosion resistance properties, is durable, and is relatively low maintenance compared to other materials. All of these factors make GHS a practical choice for the construction industry.Additionally, the use of GHS improves the safety standards across the construction industry, which further highlights the need for the product. Furthermore, as the world becomes increasingly conscious of environmental sustainability, GHS is considered a better option as it is fully recyclable.The increase in demand for GHS has been witnessed across the globe with a significant chunk coming from the Asia Pacific region. {Brand name removed} has been exporting its galvanized products widely across South East Asia and Middle East. Its proactive approach to responding to customer requirements has enabled the company to maintain its position as one of the leading players in the industry.The future of {brand name removed} appears bright as there appears to be no end to the growth of the construction and infrastructure industry, and with that, the demand for galvanised steel products. The company remains committed to offering innovative solutions, a wide range of products, and improving the quality of its products to meet the needs of its customers.Conclusively, the construction and infrastructure sector show strong signs of further growth, and the demand for GHS is expected to rise. Firms such as {brand name removed} are well-positioned to benefit from this trend, and continue to provide high-quality galvanized steel products that meet the changing demands of the market.

Durable 304 Stainless Steel Pipe and Steel Coil from China

China's 304 Stainless Steel Pipe and Steel Coil Industry Continues to Expand as Demand SurgesIn recent years, China has seen a significant expansion in its 304 stainless steel pipe and steel coil industry, driven by increasing demand from various sectors such as construction, automotive, and manufacturing. The growth of this industry has been fueled by the country's rapid economic development and its status as a global manufacturing hub.One of the key players in this industry is [Company Name], a leading manufacturer and supplier of 304 stainless steel pipes and steel coils. With a strong focus on quality and innovation, [Company Name] has emerged as a key contributor to the growth and development of China's stainless steel industry.As the demand for stainless steel products continues to rise, [Company Name] has been at the forefront of meeting this demand by consistently improving its production capabilities and expanding its product offerings. The company's commitment to excellence and customer satisfaction has made it a preferred choice for customers both within China and overseas.In addition to its manufacturing capabilities, [Company Name] has also invested in research and development to ensure that its products meet the highest industry standards. This has enabled the company to stay ahead of the competition and maintain its position as a trusted supplier of stainless steel pipes and coils.Furthermore, [Company Name] has established a strong distribution network that enables it to reach customers across different regions. This strategic approach has allowed the company to efficiently meet the growing demand for its products while also ensuring timely delivery and customer satisfaction.The increasing popularity of 304 stainless steel pipes and steel coils can be attributed to their superior corrosion resistance, durability, and aesthetic appeal. These properties make them ideal for a wide range of applications, from architectural and structural to industrial and automotive.As China continues to invest in infrastructure development and urbanization, the demand for stainless steel products is expected to remain robust. The government's focus on sustainable development and environmental protection has also led to a growing emphasis on the use of stainless steel in various applications, further boosting the demand for products such as 304 stainless steel pipes and steel coils.In light of these developments, [Company Name] is well-positioned to capitalize on the growing opportunities in the stainless steel industry. The company's commitment to quality, innovation, and customer satisfaction has set it apart as a leader in the market, and its strong manufacturing capabilities and distribution network provide a solid foundation for sustained growth and success.Looking ahead, [Company Name] aims to further strengthen its position in the industry by continuing to invest in research and development, expanding its product offerings, and enhancing its customer service capabilities. With an unwavering commitment to excellence, the company is poised to play a pivotal role in driving the continued expansion of China's 304 stainless steel pipe and steel coil industry.

China ERW Steel Pipes and Seamless Steel Pipes: Latest News and Updates

China ERW Steel Pipe and Seamless Steel Pipe, the pivotal components in the construction and manufacturing industries, continue to dominate the global market. With leading companies constantly innovating and expanding their production capacities, China remains at the forefront of the steel pipe manufacturing industry. ERW Steel Pipe, also known as Electric Resistance Welded Steel Pipe, is a welded pipe formed by rolling a steel plate and welding the seam longitudinally. This pipe can be used for various purposes such as water and gas transportation, structural applications, and construction.On the other hand, Seamless Steel Pipe is produced by piercing a solid billet to create a hollow tube without any seams. This type of pipe is highly durable and exhibits superior strength, making it suitable for high-pressure applications in the oil and gas industry, as well as for general industrial purposes.Leading Chinese manufacturers, including **company names to be removed**, have played a significant role in the development and production of ERW and Seamless Steel Pipes. These companies have made considerable investments in advanced technology and state-of-the-art equipment to meet the growing demand for quality steel pipes worldwide.**Company 1** is renowned for its expertise in manufacturing ERW Steel Pipes. With a production capacity of **number** metric tons per annum, the company meets the requirements of various industries, including construction, water supply, and mechanical engineering. By utilizing high-quality raw materials and cutting-edge production techniques, **Company 1** consistently delivers products that adhere to international standards.Similarly, **Company 2** has established itself as a leading producer of Seamless Steel Pipes. Equipped with advanced production facilities, the company boasts an impressive annual production capacity of **number** metric tons. These pipes are widely utilized in the oil and gas industry, petrochemical plants, and thermal power generation, thanks to their resistance to high temperatures and corrosion.The rise in infrastructure development worldwide has significantly boosted the demand for steel pipes. The implementation of major construction projects in Asia, Africa, and the Americas has led to an increased requirement for ERW and Seamless Steel Pipes. The versatility of these pipes, coupled with their cost-effectiveness and durability, has made them the preferred choice for many industries.The Chinese steel pipe manufacturers have not only focused on fulfilling domestic demands but have also expanded their global footprint. They have established partnerships and collaborations with companies across the globe, enabling them to cater to the diverse requirements of international markets. This strategic approach has not only contributed to their overall growth and profitability but has also enhanced China's position as a global leader in steel pipe manufacturing.Moreover, the continuous R&D efforts of these companies have resulted in the development of innovative products that further strengthen China's market position. In recent years, the introduction of coated and galvanized steel pipes has gained prominence due to their enhanced durability and resistance to corrosion. These pipes have found applications in various industries, including automotive, construction, and agriculture.However, the Chinese steel pipe industry is not without its challenges. The fluctuations in raw material prices, along with rising labor costs, pose significant challenges to manufacturers. Moreover, the increasing concerns regarding environmental sustainability have put pressure on companies to adopt eco-friendly practices and comply with stringent regulations.Despite these challenges, the Chinese steel pipe manufacturers remain steadfast in their commitment to excellence. Their dedication to producing high-quality pipes, along with continuous technological advancements, ensures that China will continue to dominate the global steel pipe market. As the demand for ERW and Seamless Steel Pipes continues to grow, China is well-positioned to meet the needs of various industries and contribute to global infrastructure development.

Top-quality Galvanized Square Pipes for Industrial Applications

Galvanized Steel Square Pipe: The Perfect Solution for Your Construction NeedsIf you're in the construction business, you know that selecting the right materials is essential to the success of your projects. Every component, no matter how small, has a significant impact on the durability and quality of the finished structure. This is why choosing the right pipes is crucial for your construction projects.Galvanized steel square pipes, in particular, offer superior strength, durability, and corrosion resistance. These pipes are widely used in the construction industry due to their numerous advantages and unmatched quality. In this news article, we'll explore some of the primary benefits of galvanized steel square pipes and why they're an ideal solution for your construction needs.First, let's take a closer look at what galvanized steel is and how it's made. Galvanization is a process that involves coating steel with a layer of zinc to protect it from corrosion. Galvanized steel pipes are made by immersing steel pipes in a molten zinc bath, which forms a protective layer around the steel. These pipes can then be shaped into various forms, including square pipes, which are widely used in structural applications.One of the primary benefits of galvanized steel square pipes is their superior strength. These pipes are made of high-quality steel that can withstand heavy loads and pressure, making them an ideal choice for structural applications. They're also highly durable and can last for decades without requiring replacement or maintenance.In addition to their strength and durability, galvanized steel square pipes are also highly resistant to corrosion. The zinc coating on these pipes provides a barrier against moisture, preventing rust and other forms of corrosion from forming. This makes them an ideal choice for use in humid or corrosive environments, where other materials might quickly deteriorate.Another advantage of galvanized steel square pipes is their versatility. These pipes can be used in a wide range of applications, including construction, plumbing, and electrical work. They're also easy to install and can be cut to the desired length and shape, making them a popular choice for DIY projects.Furthermore, galvanized steel square pipes are an eco-friendly option for construction projects. These pipes can be recycled at the end of their useful life, reducing the environmental impact of your project.Now that you're familiar with the benefits of galvanized steel square pipes, let's take a closer look at a leading manufacturer and supplier of these pipes. {The company mentioned here is just an example, and the name should be removed} is a well-known manufacturer and supplier of galvanized steel square pipes in the construction industry.{The company} has been in the business for several years, and their products have been tested and proven to be of superior quality. They have a wide range of galvanized steel square pipes in various sizes and designs to meet the diverse needs of their clients.{The company} uses advanced technology and equipment to ensure that their products meet the highest quality standards. They have a team of experienced professionals who work closely with their clients to provide customized solutions that meet their specific requirements. They also offer competitive prices and timely delivery, making them a preferred supplier for many construction companies.In conclusion, galvanized steel square pipes offer superior strength, durability, corrosion resistance, and versatility, making them an ideal choice for various construction applications. If you're looking for high-quality galvanized steel square pipes for your project, {the company} is a reliable and reputable supplier that can meet your needs. Their commitment to quality, innovation, and customer satisfaction will ensure that you get the best products and services for your construction project.

How to Choose and Use Square Tubes for Your DIY Projects

article about the increasing demand and versatility of square tubes in various industries.Square tubes have become an increasingly popular choice among construction and manufacturing industries due to their durability and versatility. The unique shape of square tubes offers numerous advantages over traditional cylindrical tubes, making them the preferred choice in a variety of applications.The demand for square tubes has been on the rise in recent years, and for good reason. Square tubes have a higher load-bearing capacity compared to round tubes, making them an ideal choice for a wide range of construction applications. They are also more resistant to buckling, which makes them an ideal choice for use in structural applications.However, the benefits of square tubes extend beyond just construction. In fact, the versatility of square tubes has led to their widespread use across many different industries. Square tubes are utilized in industries like automotive, agricultural, industrial equipment, and even in the food and beverage industry.In the automotive industry, square tubes are used for various applications, including frame rails, roll cage structures, and engine mounts. Their ability to withstand high levels of stress and pressure make them an ideal choice for these applications. Square tubes are also lightweight, which makes them an ideal choice for automobile manufacturers who are always looking to reduce weight to improve fuel efficiency.Meanwhile, The agricultural industry utilizes square tubes for high-stress applications such as plow frames, seed drill frames, and fertilizer tanks. Additionally, square tubing has also become a popular choice for gates and panels in the agricultural industry. The sturdy nature of square tubes makes them ideal for agricultural applications, where heavy loads and rough conditions are common.Moreover, the food and beverage industry uses square tubes in a variety of applications. Square tubes are used to manufacture food storage containers, tanks, and conveyor systems. Due to their strength and corrosion resistance, they are also used for food processing equipment.Finally, the versatility of square tubes has led to their use in industrial equipment, including material handling equipment, conveyors, and hydraulic power systems. Their strength and load-bearing capacity make them ideal for these applications.Square tubes are also known for their versatility in architectural designs. They offer an aesthetically pleasing look and can be customized to suit different preferences. This is particularly beneficial for architects and builders who want to create unique structures that stand out from the rest.In addition to their versatility, square tubes also offer other benefits such as resistance to warping, twisting, and bending. This durability allows square tubes to withstand harsh weather conditions and extreme temperatures without becoming weakened. They are also corrosion-resistant, making them ideal for marine and outdoor applications.With their versatility, durability, and flexibility, it is no wonder that the demand for square tubes has been on the rise. Their unique shape and numerous advantages have made square tubes the go-to choice for many different applications. As the demand for efficient, cost-effective, and durable materials continues to rise in various industries, the popularity of square tubes is expected to continue to increase.

Growing Demand for Ornamental Tubes and Square Pipes in China

China Ornamental Tube and Square Pipe Continues to Expand Its Reach in the Global MarketChina Ornamental Tube and Square Pipe (COTSP), a leading manufacturer and supplier of high-quality ornamental tube and square pipe products in China, is continuing its pursuit of expanding its reach in the global market. With their vast array of products, COTSP is able to cater to the needs of various industries, including construction, furniture, and automotive.Founded in 2006, COTSP started as a small-scale manufacturer of pipe products. With hard work and determination, the company has grown into one of the leading and most respected manufacturers of ornamental tube and square pipe products in China. Today, the company boasts a production capacity of 10,000 metric tons per month, providing for domestic and international customers.COTSP prides itself in providing customers with a wide variety of products, each meticulously crafted to ensure superior quality and unparalleled durability. Each product goes through stringent quality control measures, from raw material selection to the production process, to ensure that only the best end-product reaches customers.Their comprehensive product portfolio includes round tubes, square tubes, rectangular tubes, oval tubes, and other specialty tubes. COTSP is known for its ability to customize products to fit customers' specific needs and requirements, cementing its reputation as a reliable and trusted supplier.COTSP has also invested heavily in research and development, ensuring that its products are always at the forefront of the industry. With a team of experienced engineers and designers, the company is always looking for ways to innovate and improve its products to match the ever-changing market trends and customer demands.With its quality products and excellent customer service, COTSP has gained the trust and loyalty of customers from all over the world. The company has established a strong presence in various markets, including the United States, Canada, Europe, Australia, and the Middle East. Its products have been widely used in infrastructure constructions, automobile manufacturing, furniture and decoration, and other industries.In recent years, the company has embarked on an ambitious plan to expand its reach further. Through strategic partnerships and collaborations, COTSP has been able to penetrate new markets and strengthen its presence in existing ones. The company has also invested in state-of-the-art production facilities and equipment to increase its production capacity and improve efficiency.Looking ahead, COTSP is poised for even further growth and expansion. With its unwavering commitment to quality and innovation, the company is confident that it can continue to meet and exceed the evolving needs of its customers. As it strengthens its position in the global market, COTSP remains focused on maintaining its reputation as a reliable and respected supplier of ornamental tube and square pipe products. In conclusion, China Ornamental Tube and Square Pipe continues to expand its reach in the global market. With their high-quality products, commitment to innovation, and personalized customer service, the company has gained the trust and loyalty of customers from all over the world. As it looks to the future, COTSP remains steadfast in its mission of providing customers with the best ornamental tube and square pipe products on the market.

Discover the Versatility of Black Aluminum Square Tubing: A Superior Choice for Various Applications

Title: Revolutionizing Industrial Design: Black Aluminum Square Tubing Sets the New StandardIntroduction:In an era of rapid technological advancement and innovation, industrial design plays a crucial role in shaping the world around us. Companies competing in this field are constantly exploring new materials and manufacturing techniques to meet the demands of modern design. One such innovation making waves is black aluminum square tubing, a revolutionary product that combines strength, versatility, and aesthetic appeal. This article explores the myriad applications and benefits of this groundbreaking material, removing the brand name to focus solely on the qualities and achievements of black aluminum square tubing.Unparalleled Strength and Durability:Black aluminum square tubing boasts unmatched strength and durability, making it an ideal choice for various industrial applications. This material exhibits outstanding structural integrity, able to withstand heavy loads and extreme weather conditions. It offers excellent corrosion resistance, ensuring longevity even when exposed to harsh elements. The strength-to-weight ratio of black aluminum square tubing is exceptional, enabling designers and engineers to construct structures that are both sturdy and lightweight.Versatility in Industrial Design:The versatility of black aluminum square tubing is a testament to its adaptability in numerous industrial design applications. Its sleek, black finish adds a touch of elegance and modernity to any project, making it a popular choice among designers across various industries. From architectural structures and interior design to transportation and manufacturing, this material can be tailored to meet diverse requirements. Its ease of fabrication allows for customization according to intricate designs, ensuring seamless integration in any project.Highly Conductive and Resistant:In addition to its mechanical properties, black aluminum square tubing offers excellent electrical conductivity and thermal resistance. This feature finds extensive use in the electrical and electronics industry, enabling the creation of efficient and reliable circuits. Black aluminum square tubing also exhibits outstanding heat dissipation, making it an ideal choice for heat sinks and cooling applications. Its ability to withstand high temperatures ensures longevity in demanding environments, further expanding its range of applications.Environmentally Friendly and Sustainable:Black aluminum square tubing stands out as an environmentally friendly material, making it a preferred choice among eco-conscious designers and manufacturers. Aluminum is one of the most abundant elements on Earth, and its recyclability makes it highly sustainable. Choosing black aluminum square tubing aligns with companies' green initiatives, reducing their carbon footprint and minimizing waste. Additionally, the production process of aluminum is energy-efficient, contributing to a greener and more sustainable future.Enhanced Safety and Aesthetics:Black aluminum square tubing offers more than just practical applications; it also enhances safety and aesthetics in industrial design. The material's non-combustible nature makes it a preferred choice for fire-rated structures, ensuring utmost safety in various environments. Its sleek and modern appearance elevates the visual impact of any project, be it architectural structures, interior design, or decorative applications. The black finish of the tubing complements a wide range of materials, adding a touch of sophistication to any design concept.Industry Growth and Future Prospects:The emergence of black aluminum square tubing has unleashed a wave of excitement among designers, architects, and manufacturers. Its unique combination of strength, versatility, and aesthetic appeal has transformed the landscape of industrial design. As more companies recognize the advantages offered by this material, its demand is expected to grow exponentially.Conclusion:Black aluminum square tubing represents a turning point in industrial design, providing a revolutionary solution that combines strength, versatility, and aesthetic appeal. Its unparalleled qualities and eco-friendly nature make it a preferred choice for designers, structural engineers, and manufacturers looking to redefine the bounds of creativity and innovation. The future of industrial design shines brightly with the endless possibilities offered by black aluminum square tubing.