weld pipe3,000+ factories verified

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.

Tianjin Hypile Foundation Engineering Co., Ltd.

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.  

Liaocheng Xinglong Seamless pipe Manufacturing Co., Ltd is founded in 2004, Covering an area of 15000 square meter. And the total asset is above 250 million Yuan. There are 850 staff members including 180 technicians in our company. Annual output is 60, 000 tons. We also establish an effective complete quality control system. In 2006, our company obtained the authorization of ISO9001 Quality System. And it started to run in accordance with API 5L and API 5CT in 2009.

Our company is a modern enterprise that integrates research and development, production, sales, and service. The company has fixed assets of 160 million yuan, a modern factory area of over 60000 square meters, and more than 50 first-class fully automated production lines; Having the production capacity of various pipeline products and professional technical personnel; Having strong R&D capabilities and leading production capacity in the industry.

DATANG STEEL PIPE Co., Ltd is a reputed manufacturer and wholesaler that export to global markets for 17 years.

Tianjin Youfa International Trade Co., Ltd. is the subsidiary of Tianjin Youfa Group. As one of the windows for international business, we mainly focus on exploring overseas markets as well as developing and offering service for major domestic clients. Tianjin Youfa Group is a comprehensive steel-based enterprise, the business includes steel-making, steel strip, straight seam welded pipe, galvanized pipe, rectangular pipe, spiral pipe, plastic inner-lined pipe, seamless pipe, covered electrode, so on and so forth. The annual integrate production capacity amounts to 7.5 million tons. Since 2006, we have been one of the leading corporations in Chinese Top-500. What is more, Youfa Group is the largest straight-seam welded pipe manufacturer in China. In 2008, "YouFa" Brand was regarded as the "Well-known Chinese Trademark" by Trademark Office State Administration for Industry &Commerce of the People's Republic of China. Meanwhile, we are the first-class supplier for CNPC, Sinopec and some big relevant companies. So as to adapt to the overall-developing strategy, at the beginning of 2010, YouFa Group and its subsidiaries founded SIANO(Beijing) Steel Co., Ltd, which is responsible for the import &export business, building business contact with some influential companies and providing the after-sale service for our customers.

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.

Ningbo Pino Metal Products Co., Ltd., a combined enterprise located in Ningbo, Zhejiang, specializes in manufacturing and processing metal products, auto parts, and more. Our facility spans 15000+ square meters, with 150 dedicated employees, including 11 R&D engineers. We operate 15 metal pipe fittings production lines, featuring state-of-the-art machinery such as CNC bending machines, laser cutting machines, and automatic welding machines. Our skilled team ensures high-quality output with rigorous quality control, overseen by 5 QA/QC inspectors. We pride ourselves on our ability to introduce new products in as little as 10-20 days.

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 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.

Founded in 1988, SYI Group Companies have served the society for over 30 years with best Municipal, Pipeline and Machinery Products & Services, including Pipes, Fittings, Universal Couplings, Flanged Adaptors, Dismantling Joints, Valves, Fire Hydrants, Manhole Covers, Gully Gratings, Surface Boxes, Manhole Steps, Tree Gratings, Bollards, Flanges, Lifting Anchors and other OEM Castings and Forgings.

HEWAI is one of the leading Chinese manufactures specialezed in integrated plastic piping system, we provide integrated system solutions to benefit all partners and end user consumers.

Juyi Steelpipe Co., Ltd. (short as Juyi ) established in 2005, is one large diameter and advanced manufacturer of ERW and LSAW pipe in South China.

Jiangsu Shengpo New Material Technology Co., Ltd. Was founded in Changshu, Jiangsu, China. The company employs more than 200 and annual output value of more than $80 million. And our company has more than 20 technology patents in various fields. Shengpo is the supplier of titanium strip and welded pipe, nickel alloy strip and pipe, stainless steel cold-rolled strip and pipe for global market: TP304/L, TP316L, TP321, TP309S, TP310S, INCOLOY840, UNSN08800, UNSN08825, Hastelloy C276, 1.4828, 1.4529 (UNS N08367), 904L, 2205 duplex steels, TA1 (Gr1), TA2 (Gr2), TA10 (Gr12), etc. Products are widely used in appliances, chemical industry, medicine, printing and dyeing, environmental protection, power industry, pressure vessels, seawater desalination, water treatment, etc. Our factory has complete sets of advanced production equipment and top-class technical team, constantly creating new technologies, new processes, new products, providing customers with the best quality service and products Upholding the spirit of solidarity, efficiency, meticulous work and innovation. Shengpo is committed to the research and manufacture of titanium, nickel alloys and stainless steel to provide high-quality products and first-class services for global customers. In good faith, high quality, mutual benefit, the company will continue to expand with more domestic production, support, distribution, enterprise cooperation and common development hand in hand!

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.

Zhejiang Yueding Corrugated Tube Co., Ltd. (formerly Zhejiang Yueqing Metal Hose Factory), was established in 1992 with a registered capital of USD1, 250, 000. We are a manufacturer of all kinds of exhaust flexible pipes, metal hoses, and corrugated compensators. Presently, we have over 200 employees, including 30 skilled engineers and highly-trained technicians.

Our factory,  located in Xinbei District,  Changzhou with a plant area of 5, 830 square meters,  is a professional manufacturer and supplier of PVC pipes and fittings under the building & decoration materials industry.  We integrate R&D,  production and global sales of plastic pipeline systems for water treatment,  chemical transportation,  irrigation and construction drainage projects.

We are a comprehensive, modern and high-quality enterprise integrating steel production, processing and sales. Located in Shandong Iron and Steel City: Liaocheng. The company has developed rapidly since its establishment. It has established long-term and stable cooperative relations with Shandong Iron and Steel, Rizhao Iron and Steel, etc. Main products: Carbon steel, I-beam, H-beam, stainless steel plate, wear-resistant plate, patterned steel plate, galvanized series, steel pipe, rebar, welded pipe, galvanized welded pipe, spiral welded pipe, etc. Widely used in important fields such as automobile, petroleum, railway, bridge, construction, electric power, transportation, machinery, shipbuilding, light industry, household appliances, kitchen and so on.

Liaocheng Yiheng Machinery Co., Ltd. Was founded in 2015. We are a professional enterprise engaged in producing and exporting concrete hose and concrete pump spare parts. Yiheng is located in Zhangluji Town, Dongchangfu District, Liaocheng City, Shandong Province, China. Our manufacture covers an area of more than 20000m3 , has fixed assets of over 8 million yuan. And currently we have 86 employees, including 36 professional technicians with college education. Within years of development and growth, Yiheng has become a large joint venture integrating research, design, production, and sales.

Zhejiang Mingshi Piping Systems Co., Ltd is the largest subsidiary of Mingshi Group. Established in 1999, the company now is one of the top manufacturers of plastic and composite pipes, tubes, brass fittings, manifolds and valves in China.

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.

Our business has a situation here - all of our customers are brand. They are famous and well accepted by local customer. They commit to their consumer value. They are loved by people and never fail their expectation. Although they could be all different, they have one thing in common - they work with us.

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.

Jingdong Pipe Industry Co., Ltd is a large group company integrating mining, beneficiation, sintering, ironmaking, and casting. It has three smelting blast furnaces, ten centrifugal units, three annealing furnaces and five automated finishing lines. It mainly produces ductile iron pipes, flexible cast iron drainage pipes, ductile iron fittings, ductile iron manhole covers. The overall annual production capacity exceeds 500, 000 tons. The company's products have passed: Environmental Management System GB/T24001-2016/ISO14001: 2015; Occupational Health Management System ISO45001: 2018; Quality Management System GB/T19001-2016/ISO9001: 2015. And become the recommended product of China Water Supply and Drainage Association. Product implementation standard: GB/T13295-2109.

Lingchuang Steel Group Co., Ltd., located in Jinan City, Shandong Province, China, is a leading enterprise specializing in the research, production, sales, and distribution of steel products. With advanced production facilities and modern integrated equipment, the company is committed to providing high-quality steel products to customers worldwide, earning their trust and confidence.

MESCO STEEL was founded in 2007, headquarter locates in Dalian city, Liaoning province, now there are 32 employees. MESCO is a famous supplier of coated steel series products in northeast China, it is the biggest private steel export enterprice in this area as well. The main products are: Aluminized steel; ZAM steel; Prepainted coil / sheet; Powder pre-painting steel; Galvanized steel coil / sheet; Galvalume steel coil / sheet; Cold rolled steel coil / sheet

Shandong Xingtongda Steel Co., Ltd was founded in 2020 with a registered capital of 10 million RMB and has more than 20 years of experience in the steel industry. Our annual sales nearly one billion, about 300, 000 tons steel.

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.

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.