Zhejiang yi big special steel co., LTD., founded in 1996, in zhejiang province is within the scope of one specializing in the production of stainless steel pipe of large-scale enterprises. Company has SongYang industrial park of lishui city owns two production bases and wenzhou longwan new city industrial park. Owns more than 400 employees, fixed assets 400, 08 annual output exceeds ten thousand tons.
Companies in strict accordance with ISO9001:2000 requirements set up quality management system, for the earlier through the national special equipment manufacturing license (pressure pipe components A and B level, number TS2710C42-2016); And in 08 successful access to the German Rhine company issued by the European pressure equipment directive (PED) certification TUV certificate and active directory certificate (number: 01 CHI/Q 202-08, 0305).
Company's products strict implementation of GB, ASTM, ASME, DIN, EN, GOST, standards such as JIS, PED, boating in the level of production. Can produce stainless steel pipe specifications: 6 - ? ? outer diameter 730 mm, 1 to 40 mm wall thickness seamless steel tube; Main steel grades is: 304, 304 l, 304 h, 316, 316 l, 321, 321 h, 317, 317 l and 310 s, 31803, etc; Products are widely used in fertilizer, petrochemical industry, nuclear industry, boiler manufacturing, power plants, military industry, shipbuilding, chemical industry, environmental protection, transportation, metallurgy, mining, printing and dyeing, papermaking, food industry and medical equipment, etc.