Zhejiang Yinlong Stainless Steel Co., Ltd.
Zhejiang Yinlong Stainless Steel Co., Ltd., founded in 2006, specializes in the production of stainless steel seamless pipes. Located in Lishui City, Zhejiang Province, the company has a registered capital of RMB 217.49 million, operates four factories covering 99,983.68 square meters, and employs 530 staff, producing 50,000 tons of stainless steel seamless pipes annually.
Products & Materials
Yinlong Stainless Steel produces a wide range of stainless steel seamless pipes in materials including:
- 300 series
- 904
- Duplex steel
- Nickel-based alloys (800, 600, 400 series)
- Other special alloy seamless pipes
Product offerings include:
- Precision pipes
- Heat exchanger tubes
- Petroleum cracking tubes
- Nuclear power tubes
- Ship inspection seamless pipes
- Machining pipes
- BA-grade seamless pipes
These products serve industries such as petroleum, chemical, nuclear power, electricity, shipbuilding, papermaking, pharmaceuticals, food, and machinery, and are exported worldwide.
Production & Testing Facilities
Yinlong Stainless Steel is equipped with advanced production and testing equipment, including:
- Cold drawing machines: 60 sets for various pipe sizes
- Cold rolling machines: 28 LG30, 23 LG60, 1 LG120, 2 LG150, 1 LG220, 1 LG280
- Bright annealing furnaces: 3 sets
- Natural gas annealing furnaces: 6 sets
Testing equipment includes mechanical testing machines, metallographic equipment, corrosion testing equipment, chemical analysis equipment, ultrasonic flaw detectors, eddy current flaw detectors, hydrostatic testing machines, and more.
Certifications & Quality
The company has established a comprehensive quality management and production certification system, holding:
- ISO9001 Quality Management System
- ISO14001 Environmental Management System
- ISO45001 Occupational Health and Safety Management System
- Grade A Special Equipment Manufacturing License
- PED 2014/68/EU
- TRCU Russian Pressure License
- Classification society certifications: ABS, DNV-GL, LR, BV, KR, CCS
- Norsok M650 Certification
- EU CE Mark
The company operates a fully equipped physical and chemical testing center, staffed with over 30 non-destructive testing and inspection personnel, adhering to standards such as ASME/ASTM, JIS, DIN, EN, and GB/NB.
Vision & Commitment
Committed to the R&D and production of high-quality stainless steel seamless pipes, Yinlong Stainless Steel provides superior products and services, creating significant value for customers, society, and the global industry.
