weld pipe4,000+ 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.

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.  

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 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.

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.

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.

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

Established in 2012, Shandong Liaocheng Jiuyang Steel Pipe Manufacturing Co., Ltd. is located in Liaocheng City, Shandong Province-renowned as China's "Steel Pipe Capital. " With a registered capital of 50 million RMB, the company is a modern steel pipe manufacturing enterprise integrating R&D, production, and trade, specializing in the production and sales of high-quality steel pipe products.

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.

Founded in 1992, Zhejiang Yueding Corrugated Tube Co., Ltd. is a professional manufacturer of exhaust flexible pipes, metal hoses, corrugated compensators, and related exhaust system components. Our product range also covers exhaust clamps, fittings, truck exhaust pipes, and other supporting parts, helping customers simplify sourcing and maintain better compatibility across different exhaust system projects.

Jinyihong (Shandong) Metal Products Co., Ltd. Located in ZIBO city Shandong Province, China's industrial powerhouse. Jinyihong (Shandong) Metal Products Co., Ltd stands as a testament to innovation, quality, and excellence in the metal manufacturing sector. Established with a vision to redefine industry standards, the company has rapidly evolved from a local enterprise to a global player, renowned for its precision-engineered stainless steel products and unwavering commitment to customer satisfaction. Our products including stainless steel coil, steel sheet, steel pipe, steel rod, steel strip, steel channel, steel wire, angle bar, pipe fittings, accessories, flange, steel products, laser Cutting Service etc. The company has established a robust global sales and distribution network, exporting its products to over 50 countries and regions across North America, Europe, Southeast Asia, and the Middle East. At the core of Jinyihong's business philosophy is a customer-centric approach. The company believes in building long-term, mutually beneficial relationships with its customers based on trust, transparency, and exceptional service. Jinyihong's dedicated sales and customer service teams work closely with clients to understand their specific requirements, provide technical support, and deliver customized solutions that drive their success.

>> Company Profile <<<

HDSTEEL Group (HD-STEEL) was established in 2011 and is located in Yanshan Industrial Zone, Cangzhou, Hebei, well known as China's "Pipe Fittings Capital. " With a registered capital of RMB 8 million and a 5, 000 m² production facility, we are a professional manufacturer and supplier of steel pipes, flanges, and pipe fittings.

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.

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.

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.

Our company offers variety of products including: Fasteners, Auto Fasteners, Metal Fabrication work and plastic rubber fasteners. 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...

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 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.

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.

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.

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.

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.

Hebei Hengyuan Pipeline Equipment Group Co., Ltd. is a national high-tech company specializing in steel pipes and pipeline anti-corrosion solutions. The company has a registered capital of 50 million yuan and is located in Zhenggang Industrial Park, Yanshan County, Hebei Province, a major pipeline production base in China. It is conveniently connected to the Beijing-Shanghai Expressway, Rongwu Expressway, and Huangshi Expressway within 30 km, Cangzhou West High-Speed Rail Station within 40 km, and both Tianjin International Airport and Jinan Yaoqiang Airport within 150 km, making it convenient for customer visits and business development.

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 Huazhu metal manufacture Co., Ltd. is located in Shandong province, adjacent to the important steel machinery industry base in north China. Rich experience in steel manufacturing, engineering and trade. We specialize in all kinds of prefabricated/processed building materials and related services. Our main products include corten steel plate(weathering resistant steel plate)/galvanized steel plate/stainless steel plate/stainless steel pipe/galvnized steel coil galvanized steel pipe/lead sheet/galvanized retangular steel pipe/prepainted galvanized steel coil/corrugated steel sheet, etc. There are thick wall seamless steel pipe/alloy seamless steel pipe/welded steel pipe. In addition to steel materials, we also provide stamping, welding. CNC turning, bending wire cutting laser cutting. The company covers an area of 1600 square meters, more than 50 existing employees, annual production capacity of 300000 Tons, we can customize metal products according to drawings and samples. High quality and stable quality, reasonable price, punctual payment time, thoughtful and efficient service, so that our products sell well in the United States, Australia, South Korea, Turkey, Saudi Arabia, India, Russia, America Benstein, Thailand, Myanmar, Vietnam, Philippines, Chile and other countries and regions. We are committed to continuously improve product quality and service level, for more customers to serve, make Huazhu become the preferred supplier of steel products.

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.

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.

In the ever-evolving world of international trade, our company stands as a beacon of quality, reliability, and innovation. Specializing in the production and export of stainless steel, carbon steel, copper, and aluminum, we have established ourselves as a trusted partner for businesses across the globe. With decades of experience, cutting-edge technology, and a commitment to excellence, we cater to a diverse range of industries, including construction, automotive, aerospace, energy, and manufacturing.

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.