erw rectangular pipes300+ factories verified

TOPREGAL(TIANJIN) INDUSTRIAL CO, Ltd. located IN TIANJIN, China, WHICH IS LARGEST PORT IN THE NORTH OF China. TOPREGAL HAS OVER 15 YEARS EXPORT EXPERIENCE IN STEEL FIELD, MAINLY SELL BLACK STEEL PIPE, GALVANIZED STEEL PIPE, STEEL COIL, STEEL SHEET, PRE-PAINTED & GALVANIZED STEEL COIL AND STEEL PROFILES.

Tangshan Yanfang Trading Co., Ltd.  is located in Tangshan, China's largest steel manufacturing base and home to the largest port in North China.

Qingdao L&C Import & Export Co., Ltd. - Your Trusted Partner in Pipeline, Structural Steel, Hardware and Industrial Components

Tianjin Friend Steel Group with "TFCO" Brand has 5 subsidiary compainies include Tianjin Friend Steel Pipe Co., Ltd. Tianjin Steel Galvanization Co., Ltd. Tianjin Friend Metal Material Co., Ltd. Tianjin Friend Import&Export Co., Ltd. Tianjin Steel Import&Export Co., Ltd. Built in 1999 with registered capital of RMB 30 million, we have an annual production capacity of 400, 000 MT and exporting quatity of 60, 000MT.

Liaocheng Xinglong Seamless Pipe Manufacturing Co., Ltd. Was founded in 2004. Covering an area of 15, 000 square meters, the company has total assets of over 250 million Yuan. There are 850 staff members in our company, including 180 technicians, and our annual output is 60, 000 tons. We have also established an effective and complete quality control system. In 2006, our company obtained the authorization of the ISO9001 Quality System, and it started to operate in accordance with API 5L and API 5CT in 2009.

Founded in 2002, Linyi Rongxiang Steel Pipe Co., Ltd. is a professional steel pipe manufacturer located in Hedong Industrial Park, Linyi, China. With over 20 years of manufacturing experience, we specialize in R&D, production and deep processing of welded pipes, cold-rolled strip steel and hot-DIP galvanized steel pipes. As a Provincial Innovative SME and Green Factory with 26 technical patents, we own a complete industrial chain covering raw material processing, precision pipe welding, environmental galvanizing, customized deep processing and integrated logistics services. Our factory covers 200, 000 square meters with advanced intelligent production lines and professional testing laboratories, supporting an annual output of 50, 000 tons. We produce round pipes (15mm-219mm outer diameter) and full-spec square and rectangular tubes, with wall thickness tolerance strictly controlled within ±0.2mm for standard products and ±0.1mm for high-precision customized pipes. Our in-house galvanizing workshop provides adjustable anti-corrosion solutions, with standard zinc coating of 40μm to 85μm and thickened coating over 100μm for coastal, chemical and high-corrosion environments. Adopting eco-friendly passivation technology, our products meet domestic and international environmental standards for smooth export customs clearance. We offer one-stop deep processing including fixed-length cutting from 3m to 12m, bending, punching, polishing and anti-rust treatment, allowing direct installation without secondary processing. We maintain sufficient spot inventory for greenhouse, structural, guardrail, power support and storage rack pipes, with fast delivery: 3-5 days for stock orders, 7-15 days for customized orders and 15-25 days for bulk orders. Our product lineup covers Q235B/Q355B black welded pipes, cold galvanized pipes and high-performance hot-DIP galvanized pipes. Our galvanized pipes feature strong zinc adhesion and over 10 years of outdoor anti-corrosion lifespan, widely used in greenhouses, municipal facilities and industrial projects. We support SGS third-party inspection and provide complete qualification documents, complying with GB/T3091, ASTM and EN standards for global bidding and customs clearance. With strict three-level quality control and independent R&D capabilities, we ensure stable product quality and standardized green production. We support flexible cooperation with low 1-ton MOQ, free samples, tiered pricing, T/T and L/C payment terms, as well as EXW and FOB quotations. Adhering to "Quality First, Customer Supreme, Credit-Based", we provide efficient after-sales service and sincerely cooperate with global clients for win-win development.

Handan Zhengda Steel Pipe Group Co., Ltd. (for short: Zhengda steel pipe, abbreviation: ZDP)which was established in 2005. ZDP is honored as"National High-Tech Enterprise", "National Trustworthy Enterprise", "National Pilot Enterprise for Integration of Information Tech and Industrialization" "National Green Factory", "National Intellectual Property Advantage Enterprise", "National Top 500 Manufacturing Enterprise", " National Top 500 Private Enterprise", "China Top 500 Brand", "Beijing- Tianjin-Hebei Region Top 100 Enterprise", "Hebei Top 100 Enterprise", "Leading Enterprise of Hebei Industrial Cluster", " National Top 30 Benchmark Private Enterprise for Cultural Construction". Dealing with the production and sale of ERW steel pipe, galvanized steel pipe, SSAW steel pipe, GI and black square and rectangular steel pipe, steel -plastic composite pipe, ZDP has become a modern comprehensive enterprise that focuses on manufacturing and sales, integrating science, industry, and trade.

Tianjin Wenli New Energy Technology Co., Ltd. Was established in 2012 with a registered capital of 120 million yuan. The company is located in Jinghai Daqiuzhuang, the steel production base of Tianjin, covering an area of 46, 000 square meters. It enjoys a convenient transportation location, being only 50 kilometers away from Tianjin Port. There are about 190 registered employees, and it has a professional team for the research and development, design and production of photovoltaic brackets. It has over 80 production lines, including automated section steel production lines, C-shaped steel/U-shaped steel/Z-shaped steel/C-shaped steel forming, CNC machine cutting, laser cutting, fully automatic cutting machines, forging machines, automatic welding and other automated production lines. The daily production capacity reaches 900 tons, with an annual total output of over 10GW, and it has obtained more than 30 technical and utility model patents. Since its establishment, the company has always adhered to the corporate philosophy of "becoming a transparent enterprise and doing a good job in the transparent business". It has passed the ISO9001 quality system, ISO14001 environmental system, ISO145001 safety system certifications and the recognition of the green supply chain evaluation system, and has also passed the 5-star service certification of the "Commodity After-sales Service Evaluation System". A total of 8 major categories of our company's bracket products have been certified by the authoritative domestic certification body, Electric Energy (Beijing) Certification Center Co., Ltd. At the same time, our company's products have also obtained EU certification. Our main products include steel structure brackets, aluminum alloy brackets, carport brackets, as well as bracket accessories, fasteners, section steel, Angle steel, channel steel, square and rectangular tubes, round tubes and other products. They have been widely applied in photovoltaic power generation, centralized and distributed power generation, agricultural photovoltaic complementarity, fishery photovoltaic complementarity, industrial buildings and other fields. The company takes product quality as its core and intelligent manufacturing as its orientation. Its sales and services cover many countries and regions around the world and have received unanimous praise from customers. Let's join hands with Tianjin Wenli to build a photovoltaic ecosystem together!

Tianjin Ruitong Steel Co., Ltd. Was founded in 1987 and is located in Daqiuzhuang Down, Jinghai Country, Tianjin, with employees and the total assets of up to one hundred million RMB. We are a modern private iron and steel complex that integrates production, sale, and trade together. We specialize in spiral welded pipes, high frequency straight seam welded pipes, cold-strip steel, luminous hoops, and electrician round aluminum poles, altogether five big serial products. Our company has abundant technical force, advanced production equipment, and consummation examination system. Presently we have 1 electrician round aluminum pole production line and our annual production of 9.0mm-20.0mm aluminum poles is 35, 000 tons; We have four continually cold-strip steel production lines, necessary equipment, acid pickling lines, cutting machines, and hoop annealing furnaces, and our annual production of 30-400mm width and 0.5mm thickness cold-strip steel is 80, 000 tons; We have 2 high frequency welded pipe production lines and our annual production of 16-60.3mm diameter and 0.6-2.0mm thickness straight seam thin wall welded pipes is 30, 000 tons; We have 5 two-sided buries arc spiral welded pipe production lines and our yearly production of 219-2020mm diameter and 5-16mm wall thickness spiral welded pipes are 100, 000 tons; We have 2 Luminous hoop production lines and our yearly production of 400mm width luminous hoops is 40, 000 tons. Under the business policy of good faith and quality, Tianjin Ruitong Steel Co., Ltd. Attained ISO9001 International Quality Assurance System Certification and our steel sells well in North America, Africa, Southeast Asia, and Europe. Meanwhile, we have gained a good reputation among clients. Tianjin Ruitong Steel Co., Ltd. Makes efforts to make enterprise culture with Zeitgeist and Ruitong characteristics, develop the enterprise spirit with constantly strive to become stronger, never stop struggling, and never say failure, and carry forward the value idea of making the nation stronger with steel and constructing high-quality goods base to create the world brand.

Our company offers variety of products which can meet your multifarious demands. We adhere to the management principles of "quality first, customer first and credit-based" since the establishment of the company and always do our best to satisfy potential needs of our customers. Our company is sincerely willing to cooperate with enterprises from all over the world in order to realize a win-win situation since the trend of economic globalization has developed with anirresistible force.

Tianjin TianYingTai(TYT) Steel Pipe Co., Ltd is located in Jinghai, Tianjin, which is professionally engaged in steel production sales, steel processing, greenhouse engineering with accessories and export business. It has been experienced for 18 years so far. We have 13 production lines for various kinds of steel pipe, 10 processing production lines and 2 environmental production hot-dipped galvanizing lines. We not only can produce 450, 000 tons of various sizes of pre-galvanized steel pipe, but also can produce deep processing pipe with 100, 000 tons. Our annual production capacity of hot dipped galvanized steel pipe is 200, 000 tons, capacity of greenhouse engineering material is 250, 000 tons and highway column and guardrail is 200, 000 tons.

Heng Steel Group, which is a large Iron & Steel Enterprise in the center of China, was established in 2005. There are four iron & Steel enterprise in China. We mainly produce coating products and various steel plate.

In the magnificent landscape of the steel industry, Liaocheng Mingxing Pipe Manufacturing Co., Ltd. Has been like a rising star since its establishment in 2016. It has emerged prominently in the industry with a rapid momentum and gradually grown into a pioneering enterprise integrating modern production and trade. The company has always focused on the global market with keen insight, and advanced steadily in the fierce market competition relying on forward-looking strategic vision and solid business capabilities, constantly writing its own development chapter.  

Hebei Rongbao import and export trade Co., Ltd is a specializing in the equipment manufacturing field. Our main products include square tubes, round tubes, rectangular tubes, high-density steel tubes and precision steel tubes etc. These products, with their outstanding quality, are widely used in various fields such as construction, mechanical manufacturing, automotive industry and energy, and are highly trusted and praised by customers. We has its own stainless steel research and development department, production department and selling department.

Jiangsu Botejia Special Steel Co., Ltd is a professional manufacturer and we mainly produce Stainless Steel Sheet/Plate, Stainless Steel Coil/Roll, Stainless Steel Pipe/Tube, Stainless Steel Bar/Rod, Stainless Steel Wire, Copper Sheet/Plate, Copper Bar/Rod, Copper Pipe/Tube, Copper Coil/Roll, Copper Wire, Bronze Bar/Rod, Bronze PipeTube, Galvanized Steel Sheet/Plate, Galvanized Steel Coil/Roll, Galvanized Steel Pipe/Tube, Galvanized Steel Bar/Rod, Aluminum Sheet/Plate, Aluminum Pipe/Tube, Aluminum Coil/Roll, Aluminum Bar/Rod, Carbon Steel Sheet/Plate, Carbon Steel Coil/Roll, Carbon Steel Pipe/Tube, Carbon Steel Bar/Rod, Carbon Steel Wire, Pipe fittings, Profile Steel and so on. Dedicated to strict quality controland thoughtful customer service, our experienced staff member available to discuss your requirements and ensure full customer satisfiction.

Atlas Scaffolding (TIANJIN ANJIAN CHUANGXIN SCAFFOLDING Co., Ltd)

TXD Steel Group Co., Ltd. is a professional and comprehensive steel export enterprise integrating production, processing, international trade and logistics services. Headquartered in Jinan, China, we have established wholly-owned subsidiaries in Guangzhou, Suzhou and Egypt, forming a complete domestic and international operation network that covers production coordination, market development and localized service. With years of deep cultivation in the steel industry, we have built a stable and reliable global supply system and won high recognition from customers around the world.

Tianjin Boer King Steel Co., Ltd. Locates in the Shuang Gang industrial zone of Jinnan district 36km away from tianjin port. 6km away from tianjin airport, 40km away from train station.

Zhejiang Huatuo Metal Materials Co., Ltd. is located in the Deqing International Steel Trade City with convenient transportation. Through years of relentless efforts, the company has developed into a large-sized enterprise integrating steel trading, galvanizing processing, and logistics distribution. Boasting over 16, 000 square meters of large-scale indoor warehouses, we maintain long-term and stable strategic cooperative relationships with numerous landmark domestic steel mills, including Tianjin Yuantai, Tianjin Youfa Group, and Handan Zhengda Pipe Manufacturing. Our regular inventory stands at 20, 000 tons.

Our company offers variety of products which can meet your multifarious demands. We adhere to the management principles of "quality first, customer first and credit-based" since the establishment of the company and always do our best to satisfy potential needs of our customers. Our company is sincerely willing to cooperate with enterprises from all over the world in order to realize a win-win situation since the trend of economic globalization has developed with anirresistible force.

Tangshan Zuoqiu Steel Trade Co., Ltd is located in Tangshan city Hebei Province China, one famous Chinese steel producer. Its main products include GI Coil, GL Coil, PPGI, H beam, U channel, Angle, Wire Rod, Black annealed wire, Galvanized binding wire, Flat Bar, Hollow Sections etc. In China. We work with the manufacturing giants of the industry like Hebei Jinxi Group, HBIS, Gansu Jiusteel group, Shandong Guanzhou Co., Ltd, for many years. The company has maintained the favorable cooperative relationship with customers like South Korea, Brazil, Argentina, Bangladesh, Middle East market like Saudi Arabia, Kuwait...Via superior product quality, good reputation, perfect and qualified after-sale service.

Shaanxi Shunchengtian Materials Co., Ltd. is an integrative company of industry and trading, professionally producing and customizing stainless steel cold and hot rolled materials, which usually are exported to Europe, Southeast Asia, Africa, North and South America, etc.

Qingdao Hengjia Technology Co., Ltd was founded in 2018. We are located in Qingdao, Shandong, which is a beautiful seaside city and we have our own harbor.

Tianjin Zhongtian Heavy Industry Group Co., Ltd. is a professional steel supply enterprise located in Beichen District, Tianjin, China, with years of experience in steel import and export trade. We focus on supplying a full range of steel products, including ASTM A106 seamless pipes, S355JR structural sections, EH36 shipbuilding steel, galvanized aluzinc sheets, carbon steel plates and other standard steel materials complying with ASTM, EN and GB standards.

With over two decades of experience in the steel structure and steel materials industry, we remain committed to quality and empower global cooperation. We are a comprehensive enterprise integrating steel structure R&D, production, sales, and foreign trade services. Since our factory was established in 1996, we have always been dedicated to professionalism and integrity, accumulating profound technical expertise and a strong market reputation within the industry.

Union Steel Industry Co., Ltd as member of United Steel Industry Group, specialized in steel pipe and pipe fittings designing, manufacturing, stocking and exporting in China. As one of the leading manufacturer of steel pipe products in China, Union Steel Industry Co., Ltd are committed to providing one-stop service to customers around the world.

Steel World focuses on the development of the whole chain, and constantly improves the toughness of the supply chain, through the integration of 3, 000 metal industry supply chain enterprise resources, covering metal trade, processing, logistics, warehousing, service support, etc., and builds eight business map: Carbon steel trading center, stainless steel new city, hardware fittings and decorative city, hardware electromechanical city, warehousing center, processing center, industrial business center, park life center, to form a The strong synergy of cluster development not only reduces the collaboration cost of upstream, midstream and downstream enterprises, but also improves the overall market service response speed, providing one-stop service for the supply of metal raw materials and processing and distribution for the global end-use steel industry such as manufacturing industry, infrastructure, machinery and equipment, construction, fire protection engineering, municipal engineering, steel structure engineering and so on, and assisting the development of the real economy in reducing cost and increasing efficiency, and improving the core competitiveness.

Our company was founded in 2000, is a comprehensive steel manufacturer integrating production, processing and trade all in one. The company's premises are located in the place of industry strategic importance in Shengfang of Hebei Province. Enjoying the convenient traffic and occupying an advantageous location, the company covers an area of 30, 000 square meters, construction area of 7, 500 square meters, more than 200 employees. Our company now owns 15 ERW steel pipe production lines and 6 special precision steel pipe production lines., and can reach the annual production capacity of 1000, 000 tons.

Tianjin Dingshengwang steel Co., Ltd. is specialized in producing and marketing stainless steel products. The company is located in Tianjin which is an economic center in the north of China and international city. Oor company annual production capacity is 15000 tons of stainless steel welded pipe, and 800 Tons of seamless stainless steel, in strict line with GB, ASTM(ASME), EN, DIN, JIS and other international standard.

Shandong Hongcheng Metal Materials Co., Ltd. is a professional steel product manufacturer. The company is located in Jinan City, Shandong Province, close to Qingdao Port and Tianjin Port, and sea transportation is very convenient. Main products: Carbon steel coils, stainless steel coils, galvanized coils, color-coated coils, roof panels, rebars, H-shaped steel, angle steel, channel steel, etc., with rich product resources, providing you with one-stop procurement.