Welcome to Jiangyin South Stainless Steel Pipes Co.,Ltd!

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About Us

We will adhere to a professional development strategy, seeking truth and being pragmatic, pioneering and innovating, with a development model of "details achieve quality,

steady development", committed to creating quality products, and making continuous efforts for social development and industrial progress.

About Us


Jiangyin South Stainless Steel Pipes Co.,Ltd is located in Jiangyin, Jiangsu, the first county in China's manufacturing industry. Backed by the Yangtze River , close to Shanghai-Nanjing Railway, Xin-Chang Railway, Shanghai-Nanjing Expressway, and Yanjiang Expressway, it has convenient water and land transportation.

Founded in 1984, it is one of the earliest domestic manufacturers of stainless steel seamless pipes. It has fixed assets of 300 million yuan and covers an area of ​​52,000 square meters. At present, the third factory building of 30,000 square meters has been completed, and the stainless steel welded pipe project has been invested with 80 million yuan.
The company has passed the ISO9001 quality management system, ISO14001 environmental management system and ISO45001 occupational health and safety management system of the China Classification Society Quality Certification Company, and obtained the Norwegian DNV Classification Society, the American ABS Classification Society, the German GL Classification Society, and the British LR Ship. It also has the factory certification of many national classification societies, such as the French BV classification society, China CCS classification society, Japan NK and so on, and has the EU TUV-PED certificate.
The company is a first-tier supplier of Sinopec, CNPC, CNOOC, and China National Chemical Corporation. The company has obtained special equipment manufacturing license (pressure pipeline components) certificate number: TS2710P02, level A1, A2 (1), B (1) (2) . The maximum production size of the certificate is 711mm. The certificate contains GB13296 stainless steel pipes for boilers and heat exchangers, GB/T14976 stainless steel pipes for fluid transportation, GB9948 seamless steel pipes for petroleum cracking, GB5310 seamless steel pipes for high-pressure boilers, GB/T12833 austenitic-ferritic duplex stainless steel without Seam steel pipe license, and produce American ASME SA213/A312/A269/A789/A790 stainless steel pipe products.
The company has successively obtained 3 authorized invention patents, 18 authorized utility model patents, and 2 invention patents in the processing and forming of new stainless steel materials. The company conducts research and development of various high-quality special non-corrosive pipes. The company has obtained the Jiangsu Science and Technology SMEs, Jiangsu Private Technology Enterprise, Jiangsu High-tech Enterprise, Wuxi High Quality Special Stainless Steel Pipe Engineering R&D Center, Jiangyin High Quality Special Steel Pipe R&D Center, Wuxi High Quality Special Stainless Steel Pipe Engineering Technology Research Center, China National Accreditation Service for Conformity Assessment CNAS Laboratory accreditation.
We have 205 employees, including 30 engineers and technicians, and 35 full-time inspectors. The annual design capacity of producing cold drawn and cold rolled stainless steel seamless steel tubes is 100,000 tons. The products are suitable for professional manufacturers of stainless steel pipes for aerospace, aviation, marine, petroleum, chemical, instrumentation, machinery, etc. The leading products are special steel products such as austenitic stainless steel pipes, duplex stainless steel pipes and nickel-based alloys.
The company's main production equipment is 12 cold-drawn production lines of 5T, 10T, 20T, 40T, 60T, 150T, 300T, 600T, 800T. The cold-drawn product specifications are φ6-914mm and the wall thickness is 0.5-80mm. Cold rolling production line, with 8 LG30 cold rolling mills, 3 LG60 cold rolling mills, 2 LG120 cold rolling mills, 1 LG325 cold rolling mill, and 1 LG630 cold rolling mill (the equipment investment exceeds 100 million yuan). 13 high-precision cold-rolling lines, cold-rolled high-precision stainless steel pipe diameters from φ14-630mm, wall thickness 0.5-80mm.
The company’s main testing equipment includes 3 large- and small-caliber ultrasonic eddy current integrated flaw detectors, 3 automatic hydraulic presses, 2 imported direct-reading spectral analysis instruments, and 3 sets of high temperature and room temperature mechanical properties equipment, which can meet the testing capabilities of stainless steel pipes. verification.

Business Philosophy

Main objectives:
Striving for China's top end, creating international brands
Business Philosophy:
Scientific and technological innovation, integrity and truthfulness, standard management
Pioneering and innovative, united and progressive. We are dedicated to meeting the needs of our customers at home and abroad needs
Keep improving

We use years of experience and
scientific processes to bring you
products that are more suitable for you

Wide range of applications

Wide range of uses, can be supplied according to chemical composition
and mechanical properties, supplied according to mechanical properties, or supplied according to hydraulic test

more saving

It can be used toimprove material utilization, simplify manufacturing procedures,
save materials and processing man-hours


  • south_steel@163.com
  • 0086-510-86501597
  • 1658 Xicheng Road, Qingyang

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