Zhejiang Yihong Stainless Steel Co., Ltd.
Zhejiang Yihong Stainless Steel Co., Ltd. is a national high-tech enterprise specializing in R&D, production, processing, and sales of stainless steel seamless pipes. The company operates R&D and production bases in Songyang and a sales base in Wenzhou, employing over 200 staff members. The annual production exceeds 10,000 tons of stainless steel pipes, with a substantial stock of ready inventory.
Products & Materials
Yihong Stainless Steel focuses on 310S high-temperature and oxidation-resistant steel pipes and large-diameter seamless stainless steel pipes, leveraging unique production technology to maintain a leading market share in these segments.
Product specifications include:
- Outer diameter: Φ6–Φ720 mm
- Wall thickness: 1–60 mm
- Primary materials: 304/L/H, 316/L/H, 321/H, 347/H, 317/L, 310S, 904L, 2205, etc.
Products are manufactured according to GB, ASTM, ASME, DIN, EN, GOST, JIS, PED, and major ship classification standards.
Quality & Management
The company adheres strictly to ISO 9001:2015 Quality Management System requirements and implements comprehensive practices including:
- 6S on-site management
- Environmental management
- Occupational health management
- Lean production
Advanced production facilities include:
- 12,000 kN hydraulic cold-drawing unit
- Fully temperature-controlled stainless steel solid solution annealing furnaces
Comprehensive testing equipment ensures high product quality and compliance with international standards.
Application Industries
Yihong stainless steel seamless pipes serve diverse industries, including:
- Petrochemicals
- Fertilizers
- Nuclear power
- Boilers
- Marine engineering
- Environmental protection
- Aerospace
- Papermaking
- Food processing
- Medical equipment manufacturing
The company combines advanced technology, rigorous quality control, and a wide product range to meet domestic and international customer needs.














