structure section9,000+ factories verified

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.

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.

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.

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.

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.

Shanghai ALI-MAMA STEEL TRADING COMPANY. Known as Ali-Steel, pioneered in 2020, based in Shanghai, ALI-STEEL is a professional one-stop steel products supplier. Our business philosophy is"keep improving & win-win cooperation". We furnish best steel and strict quality management, perfect after-sales services, reasonable product prices, good customer reputation as we have faith in integrity of the our business philosophy. We realize the common development of customers, employees and enterprises. We have won trust and support of customers from all over the world. Selling steel all over China and mainly exported to South America, Southeast Asia, Middle East, South Africa, Australia and many more. Our company's main products: VARIOUS CARBON STEEL AND STAINLESS STEEL PIPE AND FITTING, STEEL CONSTRUCTION FABRICATION AND PRODUCTS, Metal including ERW steel pipe, LSAW STEEL pipe and SSAW STEEL pipe, Seamless steel pipe and galvanized Zinc steel pipe, square and rectangular steel pipe, steel plates and steel billets.

QINGDAO WANRUNDA IMP AND EXP Co., Ltd locates at Qingdao city- The third big sea port in China. We are the first-level agent of several large steel mills. Operations include low-carbon steel, stainless steel, alloy steel and other steel products. For example, angle steel, steel pipe, steel plate, steel coil, section steel, etc.

Henan Rarlong Steel Co., Ltd. is the sales subsidiary of AYHY steel group which is a professional manufacturer of hot rolled and cold drawn steel profiles and customized complex section steel with more than 26 years of history. We have 4 rolling mills which can produce section steel width from 6mm to 250mm, thickness 3-200mm, annual profile steel output is 200, 000 tons.

Paida Technology Yancheng Co., Ltd. - Your Global Partner in Mining & Construction Solutions

Permanent Steel Manufacturing Co., Ltd has been committed to being a major supplier of quality kinds of carbon steel pipe, stainless steel tube, hollow section, casing pipe, numerous types of piping equipments including Bend, Cap, Coupling, Elbow, Reducer, Stub End, Tee, Olet, Joint, Gasket, etc. As a factory, which specializing in the production, processing and sales of various steel pipes and pipe fittings size enterprises, headquartered in Hunan, the production base is located in Shandong and Tianjin.

Qingdao Jiahexin Steel Co, . Ltd is located in Jiaozhou district, Qingdao city, with superior geographical position and convenient transportation. We are experienced and specialized in the production and steel structures, Steel welded fabrications, prefabricated house, T beams etc, it's business scope contains design, fabrication, logistics, trading etc.

Shandong Huacang Steel Structure Co., Ltd. is a professional comprehensive enterprise deeply rooted in China's Shandong steel structure industrial cluster, integrating R&D, design, production, installation and after-sales service of steel structure systems. Centered on the core business of prefabricated steel building products, the company covers full-series core products including steel structure floor decks, steel portal frames, prefab warehouse workshops, steel villas, high-rise steel components and supporting steel materials, and provides customized one-stop engineering solutions for global customers. Located in Liaocheng, Shandong, the core gathering area of China's steel structure industry, the company has a 20, 000-square-meter modern intelligent production base, introduces multiple sets of fully automated cold-formed steel forming lines, CNC welding equipment and non-destructive testing systems, with an annual production capacity of over 30, 000 tons of steel structure products. All core products strictly comply with national GB standards, American AISC standards and European EN 1090 certification requirements, and have passed the ISO 9001 quality management system certification, to ensure that every delivered component has excellent performance in load-bearing capacity, seismic resistance, corrosion resistance and installation accuracy. Since its establishment, the company has always adhered to the service concept of "Quality First, Customer Centric", and has successfully delivered thousands of stable steel structure projects covering domestic industrial factories, logistics warehouses, commercial complexes, prefab residential buildings and agricultural greenhouses. Its products are exported to more than 30 countries and regions in Southeast Asia, Africa, Europe and North America, and has established long-term stable cooperative relations with many well-known construction enterprises at home and abroad, winning wide industry recognition with reliable product quality and efficient full-cycle service. Focusing on the future, Shandong Huacang Steel Structure will continue to take low-carbon prefabricated steel structure technology as the core driving force, continuously optimize product performance and construction efficiency, and is committed to becoming a trusted global steel structure system solution provider, creating higher value for partners in the construction industry.

Bazhou GY steel pipe factory was tablished in 2005, mainly engaged in black steel pipe, galvanized steel pipe, cold bend steel profile, roofing sheet, roofing nails, concrete nails, iron nails, black wire, galvanized wire, galvanized steel sheet, hot rolled steel plate, checkered steel plate, scaffolding ladder, machine, etc. Our factory are covering more than 100, 000 square meters area, with the eight world-class steel tube production lines, we can produce over 500, 000MT of tubes annually in ASTM, DIN, BS, GB and other industrial standards. Equipped with first-class facilities for ERW tubing mills, our products′ Quality is fully guaranteed. While our products have also been approved by the third party inspectors such as SGS, BV and COTECNA. We stick to the principle of quality first, service first, continuous improvementAnd innovation to meet the customers for the management and zero defect, zero complaints as the quality objective. To perfect our service, we make our products with good quality at the reasonable price.

Tianjin Building Steel Co., Ltd. is located in Tianjin, China, renowned as the world's largest steel pipe production base. The region boasts convenient transportation and abundant steel resources, creating superior conditions for the company's steady development.

Established in 2006, Shanghai Changzeng Metal Co., Ltd. Has decade years of experience in supplying and exporting in steel products, including Baogang, Angang Steel, Maanshan Steel. Our company mainly produce all kinds of steel products with good quality and low price in China. The total investment amounted to RMB10, 500, 000Yuan on producing Metallurgy, Mineral & Energy project.

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.

Gaomi Wantai Steel Structure Engineering Co., Ltd has been specialized in designing - manufacturing steel structure workshop, steel structure warehouse, steel structure building, poultry house & shed, shopping malls, prefabricated house & building, aircraft hangar, garage, container house, stadium, steel structure stereoscopic parking lot, steel structure materials(H, C, Z, U beam, Steel Box Column, sandwich panel, roofing& wall corrugted sheet, PPGI coils & sheets, GI coils & sheets) with CE, ISO9001: 2008, SGS and BV Certification. With the registered capital of 2560.5 million USD, covering an area of 260, 000 square meters and annual output of 50, 000 tons of steel structure. We have rich and high level experiences and professional design engineers, QC teams and after service teams. We supply one-stop service: Design, manufacture, installation and after-service.

Jiangsu Yintuo Precision Technology Co., Ltd. is a professional manufacturer specializing in the R&D, production, processing and technical services of stainless steel pipes and precision tubes. Located in Jiangsu, China, Yintuo provides stainless steel tubing solutions for industrial piping, chemical processing, energy, engineering, semiconductor, medical and other applications.

Tianjin Zengze Steel Trading Co., Ltd. is a wellestablished enterprise engaged in the steel industry in China, with an annual sales volume of over 10 million tons. Zengze has built considerable influence within the steel sector.

Qingdao Gemsun Steel Structure Co., Ltd is a large scale professional steel structure company integrates the designing, production and installation.

Twenty years ago, ELMAK became a trusted manufacturer in the lifting and hoisting industry and a spare parts provider.

Our company is a comprehensive enterprise specializing in the R&D, production and export of stainless steel raw materials and finished products. With over a decade of deep cultivation in the industry, we have built a complete industrial chain covering raw material smelting, precision processing and global distribution. Our main products include 304/316/201 series stainless steel plates, pipes, bars and customized deep-processing products. Relying on stable quality, flexible customization schemes and efficient delivery capabilities, our products are exported to more than 80 countries and regions such as Europe, America, Southeast Asia and the Middle East, and are widely used in construction decoration, mechanical equipment, chemical equipment, kitchenware & sanitary ware, automobile manufacturing and other fields.

Shandong Hongyan Metal Materials Co., Ltd.

ZHEJIANG ZHONG DING IRON AND STEEL Co., Ltd is a large-scale enterprise integrating production, sales and trade. The company now has 8 hot-rolling piercing production lines and 30 cold-rolling unit production lines, with a production range of 10mm-219mm, wall thickness 0.5mm-22mm, tolerance range of +-2 wire precision steel pipes, and an annual inventory of more than 8, 000 tons of precision bright tubes; Advanced There are 6 double-sided submerged arc welded spiral steel pipe production lines, which can produce double-sided submerged arc welded spiral steel pipes with a diameter of 219-3620mm and a wall thickness of 6-30mm. The annual production of spiral pipes is more than 200, 000 tons and is trusted by the majority of the industry.

Shandong Baotai Steel Co., Ltd. is located in Jinan, the capital of Shandong Province. Mainly produce stainless steel, carbon steel, galvanized steel, PP G I, PP G L. Our team has been dedicated to the steel industry for 20 years. The company has established long-term and close cooperative relations with well-known domestic iron and steel enterprises. At the same time, the company's annual stock reserve exceeds 200, 000 tons, which can guarantee a short delivery time. Baotai Steel provides services to domestic government construction projects, Chinese listed companies and state-owned enterprises and other large enterprises. At the same time, Baotai Steel has long-term cooperative relations with many countries in Russia, the Middle East, Southeast Asia, South Africa, South America and other regions. With high-quality products, low prices and high-quality services, it has been highly praised by customers. Customers from different countries signed agency agreements with Baotai Iron and Steel and became Baotai Iron and Steel's agents. Baotai Steel's service team provides you with professional and high-quality services online 24 hours a day. At the same time, Baotai Steel also insists on customer-centric win-win, and looks forward to becoming a high-quality enterprise you can trust.

Yolo metal materials technology., Ltd, founded in 2000, is a manufacturer who engaged in the raw materials and precision parts production of tungsten and molybdenum. And now, Yolo exported to many countries over many years.

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 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.

Shandong Kanghong Machinery Manufacturing Co., Ltd.