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Zhejiang Yinlong Stainless Steel Co., Ltd., established in the year 2006, specializes in manufacturing stainless steel seamless pipes. Locating at Lishui City in Zhejiang, the company commands a total registered capital of 210,749,000 yuan, owns 4 factories that cover an area of 110 thousand square meters (about 27.2 acres), employs 530 skilled personnel, and produces 50 thousand tons of pipes per year.

Yinlong is production portfolio encompasses an array of materials, notably the 300 series, 904, duplex steel, nickel-based compositions (800, 600, 400 series), and etc. The product range spans precision pipes, heat exchange pipes, petroleum cracking pipes, BA seamless tubes, and pipes designed for nuclear power applications, shipyard class, and machining purposes. These offerings find wide-ranging applications across sectors such as petroleum, chemical industry, nuclear energy, electrical power, shipbuilding, paper production, pharmaceuticals, food production, and mechanical engineering.

Yinlong is production portfolio encompasses an array of materials, notably the 300 series, 904, duplex steel, nickel-based compositions (800, 600, 400 series), and etc. The product range spans precision pipes, heat exchange pipes, petroleum cracking pipes, BA seamless tubes, and pipes designed for nuclear power applications, shipyard class, and machining purposes. These offerings find wide-ranging applications across sectors such as petroleum, chemical industry, nuclear energy, electrical power, shipbuilding, paper production, pharmaceuticals, food production, and mechanical engineering.

Yinlong is distinguished in the domestic landscape by its advanced production and testing infrastructure. This encompassing infrastructure includes a total of 60 units of cold drawing equipment, 28 units of LG30 cold pilger, 23 units of LG60 cold pilger, 2 units of LG150 cold pilfer, alongside single units of LG120, LG220, and LG280 cold pilger, 3 bright annealing furnaces and 6 natural gas annealing furnaces. The wide-array of testing equipment are capable of mechanical testing, metallographic testing, corrosion testing, chemical analysis, ultrasonic flaw detecting, eddy current flaw detecting, hydraulic testing and so on.

The company has established a complete quality management and production certification system, including ISO9001 quality management system  certification, ISO14001environmental management system certification, ISO45001 occupational health and safety management system certification, Special Equipment Manufacturing License A-level certificate, PED2014/68/EU EU Pressure Equipment Directive, TRCU Russia Pressure License, American ABS Certification, Norwegian DNV￾GL Certification, Lloyd is Register LR, Bureau Veritas BV, Korean Register of Shipping KR, China Shipping A series of certifications including CCS, Norwegian petroleum industry standard Norsok M650 certificate, and EU CE.

Well-equipped laboratory and the 30 NDT personnel enable Yinlong to carry out physical and chemical tests and NDT from raw materials, semi-finished products, to finished products, and strictly follow the production standards, including ASME/ASTM, JIS, DIN, EN, and GB/NB. 

The company is always committed to the research and production of high-quality stainless steel seamless pipes, and continues to create better value for customers, society and the world with high-quality products and services.

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