Zhejiang Yihong Stainless Steel Co., Ltd. is a comprehensive enterprise specializing in the research and development, production, processing, and sales of stainless steel seamless pipes. It has a research and development center in Songyang and a marketing center in Wenzhou. It is a national high-tech enterprise, a technology-based small and medium-sized enterprise in Zhejiang Province, and a green manufacturing enterprise in Lishui City. Currently, it has more than 110 employees, including more than 20 professional and technical personnel, with an annual output of over 10000 tons.

    The company strictly adheres to ISO9001:2015 "Quality Management System - Requirements" and TSG 07-2019 "Special Equipment Production and Filling Unit License Rules", establishes a sound quality management system, comprehensively promotes "6S", "Environmental Management", "Occupational Health Management", "Lean Production" on-site management, etc., and has a large 12000 KN hydraulic cold drawing unit and advanced fully temperature controlled stainless steel solution annealing furnace production equipment in China. It also has ET16-159 eddy current flaw detector, UT16-159 ultrasonic flaw detector, UT159-820 ultrasonic flaw detector, D630 fully automatic water pressure testing machine, WAD-600 hydraulic universal material testing machine, 4XB computer metallographic microscope, JQ, etc. -300 impact testing machine, HBRVU-187.5 hardness tester, XLT-898 spectrometer, chemical analyzer, intergranular corrosion test and other complete testing equipment. The production specifications are: outer diameter Φ 14~ Φ 720mm, wall thickness 1-60mm; The main grades are: 304/L/H, 316/L/H, 321/H, 347/H, 317/L, 310S, 904L, 2205, UNS NO4400, 625, 825, 8020, etc; The products comply with GB, ASTM, ASME, DIN, EN, GOST, JIS, PED, and ship classification standards, and are widely used in industries such as petrochemicals, fertilizers, nuclear power, boilers, ships, environmental protection, aviation, papermaking, food, and healthcare. For enterprises that have obtained the national special equipment manufacturing license (A and B level pressure pipeline components, number TS2710L54-2026) earlier.

   The company is mainly focused on 310S high-temperature and oxidation resistant steel pipes, as well as stainless steel seamless pipes for industrial pipelines. Especially for 310S high-temperature resistant steel pipes, the company has unique production technology and is the first R&D company in Wenzhou region. It still holds a considerable share in this field to this day.

   The company adheres to the goal of "uniqueness, precision, and greatness", is committed to creating and implementing a dynamic management model, building a modern quality system, adhering to the business principle of "brand strategy", introducing international advanced equipment, utilizing mature technology, and providing excellent products and services to domestic and foreign customers!