weld tubes3,000+ factories verified

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

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.

Nanos Biomaterials (Suzhou) Co., Ltd. Was established in June 2016 and is a subsidiary of Nanos Group.

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!

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.

Company Profile

Established in 2012, we are a professional manufacturer specializing in high-performance thermoplastic tube solutions, located in Cixi, Zhejiang, China. With a land area of 8, 000 square meters and a building area of 11, 000 square meters, our factory is equipped to support large-scale production while maintaining flexibility for customized manufacturing. Over the years, we have developed into a comprehensive enterprise integrating research and development, production, sales, international trade, and technical service.

DLX alloy, which is a alloy factory more than 23 years, we are founded in 2002, and run business with resistance alloy first. And in past 20 years, we R&D new product such as inconel, monel, hastelloy, high temperature alloy and other nickel based alloy products.

SHANDONG TONGMAO SPECIAL STEEL Co., Ltd is reputed at supplying copper pipe, aluminum tube, brass tube, stainless steel coil, galvanized steel coil, precision seamless steel pipe, also supply steel plate, steel coil and steel pipe, lead sheet etc.

Jiangsu Hengshuntai Steel Co., Ltd. is a stainless steel/alloy factory engaged in the researching, stocking, sale and service of stainless steel coils, stainless steel sheet, stainless steel pipes, stainless steel profile, stainless steel bar, alloy steel products.

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.

Liaocheng Huajian Steel Co., Ltd is located in Liaocheng City, Shandong Province, which is known as "the Water City of Jiangbei", and our company was established in the year 2012, we are a modern private enterprises which are specialized and exporting steel materials in China and win high reputations from our customers.

Wuxi Dingyu Xinda Special Steel Co., Ltd. Has world-class metallurgical equipment, mature and stable technology, and safe and reliable process flow. The smelting of special functional superalloys adopts the VIM+VAR dual vacuum dual process and the VIM+PESR+VAR triple process for smelting production; Vacuum induction melting (VIM), vacuum consumable (VAR), atmosphere protected electroslag remelting (PESR) and conventional process IF+AOD+LF+VOD metallurgical equipment. Processing equipment such as heat treatment furnaces, peeling machines, rolling straightening machines, cold drawing machines, and coreless grinders; German Spike direct reading spectrometer, hardness machine, tensile machine, impact testing machine, automatic and manual ultrasonic non-destructive testing machine, eddy current non-destructive testing machine, corrosion testing machine, salt spray testing machine, German Leica metallographic microscope and other complete testing equipment. Since 2005, Dingyu Xinda has successively passed the certifications of Lloyd's ISO quality system and PED, IATF16949, ISO13485, KR Classification Society of Korea, and AD2000 in Germany. A high-tech enterprise specializing in the research and development of high-quality special alloy functional new materials, has been committed to providing safe and reliable products for global nuclear power and high-end equipment manufacturing. The company has been focusing on special stainless steel, nickel based alloys, precision alloys, high-temperature alloys, corrosion-resistant alloys, Hastelloy alloy special steel pipes, plates, bars, profiles and forgings, pipe fittings, and flanges for 31 years. The products can also be processed according to customer drawings, and are widely used in fields such as pump valve nuclear power, aviation and military industry, automobiles and ships, medical equipment, marine engineering and petrochemical, light rail high-speed rail, compressors, turbines, etc.

Tianjin Xuboyuan Iron & Steel Trading Co., Ltd is one of the China's top 10 steel enterprise with annual export exceed USD18, 000, 000. <br/><br/>For the last 6 years it has LED the Asia steel industry as a leading steel manufacturer and export company and today ranks as the most trusted China iron and steel maker, importer and exporter with presence for Our productsin 30 countries. <br/><br/>The market of XBY ranges from high cost steel products to that of the lowest in the field of steel products. Then cooperation provides integrated sales and service plans for steel factories and customers, and provide more considerate service for both upstream and down stream factories in the industry bsed on large scale effects. <br/><br/>We have flexible and various trading forms. Its main aimed service target is endcustomers, with distribution in addition. The main aimed mrket of the XBY is the Middle East, and extend to that of globe. <br/><br/>XBY provides steel trade, storage, process, delier and transport service, and form a complete set in all the link, and try to find increment point for customers by optimized logistics, so that customers can enjoy the service at ease. <br/><br/>The market of XBY ranges from high cost steel products to that of the lowest in the field of steel products, and emphasizes on wholesale and service for big customers. And it has strong resource stock capacity. It stock and sales goods in global scale, and has good cooperation with amost all steel mill in China and famous international trading company. <br/><br/>The sales network of XBY covered all around the world. The group possesses more than 20 subsidiary companiesthat provide integrated sales and service for both upstream and down stream fatories in the industry based on large-scale effects. <br/><br/>Our company wholesales all kinds of steels: Steel pipe: Black pipe, Galvanized steel pipe, Round pipe, Square pipe, Rectangular pipe, Spiral pipe, etc; Steel sheet/coil: Hot/Cold rolled steel sheet/ coil, Galvanized steel sheets/coil, PPGI, checkered sheet, corrugated steel sheet, etc; Steel beam: Angle beam, H beam, I beam, C lipped channel, U channel, Deformed bar, Round bar, Square bar, Cold drawn steel bar, . Products are used in liquid transportation, oil and gas, industrial and civil construction, agriculture and transportation facilities, etc. We specialize in steel products for several years with the strength of fast delivery time, good quality and competitive price. If there is any need please do not hesitate to contact with us anytime.

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.

Tianjin TEDA Ganghua Trade Co., Ltd. Was established in 2006, located in the heartland of China-Tianjin, which is one of the four municipalities in China and also an open coastal city. Due to the special geographic position, Tianjin is one of the biggest business centers in North China. We enjoy excellent geographic location and convenient water, land and air transportation.

WENZHOU SINCO STEEL CO. Ltd (ZHEJIANG TSINGCO PIPING TECHNOLOGY Co., Ltd ). Is one of the leading manufacturer and exporter for the Stainless Steel Seamless Pipes & Tubes from Wenzhou, China. Based on our Stainless Steel seamless pipe factory, We supply the ONE-STOP service fittings, flanges, valves etc to our customers home and abroad.

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.

Established in 2000, NAI-LOK has made a name of itself in the list of top suppliers of in China. We focus on the production, research and development, sales of instrumentation valves and alloy valves. We have more than 20 years of precision valve manufacturing and 10 years of export experience.

Huashang Steel was established in 2009, , after 15 years of development, We have gradually grown into a professional industrial pipe system provider and manufacturer. Serving customers from more than 50 Countries and regions World wide

Jinan JiuJin Steel Co., Ltd is a leading manufacturer of private owned steel company. We have passed ISO9001 certificate and CE certificate. Our main products are seamless steel pipe, welded steel pipe, galvanized steel pipe, precision steel pipe, SHS&RHS steel pipe, pre-insulation steel pipe, alloy steel pipe, carbon steel plate, galvanized steel plate, alloy steel plate, cold rolled steel bar, carbon steel bar, alloy steel bar, galvanized steel bar, PPGI, PPGL etc. According to American standards ASTM, Japanese standards JIS, German standards DIN, British standards BS and other standards.

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.

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.

At SYZ Machine,  we are more than just a manufacturer;  we are a comprehensive solution provider for high-precision metal components.  we offer a seamless "One-Stop" service for global clients seeking non-standard,  custom-engineered parts.

Established in 2009, RAYSOV Instrument Co., Ltd is a prominent manufacturer of advanced X-ray non-destructive testing and evaluation instruments based in China, RAYSOV has earned reputation as a high-end supplier of automated industrial DR and industrial CT inspection solutions globally.

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Jiangsu Renzhong Metal Products Co., Ltd. is a comprehensive enterprise integrating production, processing, sales, warehousing and distribution. Over the years, it has been deeply involved in the stainless steel material and building materials industry, accumulating profound industry experience and high-quality market resources. The company is located in a high-quality industrial cluster area, with complete regional industrial support, superior transportation location, and well-connected land and logistics routes, providing unique advantages for raw material procurement, product production and nationwide cargo distribution. The enterprise relies on a mature and complete supply chain system, large-scale modern production bases and experienced professional operation teams to form a stable, efficient and standardized business model, with comprehensive production and supply capabilities firmly ranking at the forefront of the industry. The company's main business covers a full range of stainless steel products such as stainless steel plates, stainless steel coils and stainless steel strips, and also mainly deals in various specifications of scaffolding and related components. The product range is complete and the specifications are diverse, which can fully meet the individualized and diversified purchasing needs of different customers. The products are widely used in core fields such as construction engineering, mechanical manufacturing, decoration and renovation, municipal infrastructure, industrial equipment, etc. With good adaptability and practicality, they are suitable for various large and medium-sized project construction and production scenarios.

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 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.

Founded in 2011, Wenzhou Xusheng Machinery Industry and Trading Co., Ltd is a modern enterprise which integrates scientificResearch and production. We are one of the new manufactures which are capable of producing high precision stainless steelSanitary equipment and pipeline connection parts.