Zhejiang ZhengYuan Stainless Steel Pipe Co.,Ltd was founded in 2004, with registered capital USD7.5 million, a total investment of USD73.5 million, covers an area of 172000M2. We are a leading producer of Stainless Steel Seamless Pipes and Tubes in material of 304/L, 304H, 316/L, 316/H,316Ti, 317/L, 321/H, 309S, 310S/H, 347/H, S31803, 904L,from steel melting to finished products.Sizes range from 0.3-630mm in Out Diameter and 0.1-45mm in Wall Thickness,with 1500MT per month capacity. We also import from major oversea billet manufacturers for some special grades. We have 3 sets 20-tons electric arc furnace,1 set VOD refining furnace,1 set AOD refining furnace,1 set continuous casting machines ,5 sets hot pericing machines,12 sets of cold drawn machines,6 sets cold pilger mills,3 sets of straightening machines,2 sets pickling and whitening bath,2 sets fully-automatic computerized Solution Annealing furnace of temperature tolerance with ...[More]10 C.Furthermore, we has invested 60 million yuan in the factory to build an oxygen supply station for the self-sufficiency of smelting. For Quality Assurance, we have all kinds of inspection equipments, such as Metallurgical Microscope, Hardness Tester, Universal Test machine, Spectrometer(imported from Germany), Intergranular Corrosion Tester, Ultrasonic Tester, Eddy Current Detector,Hydrostatic Tester and etc.Our Quality Management System has been certified to ISO 9001. Equipped with advanced manufacturing facilities and know-how, and staffed with dedicated people,we are now applying for the following approvals Manufacture License of Special Equipment People's Republic of China PED 97/23/EC by TUV AD 2000-Merkblatt W0 / TRD100 by TUV Det Norske Veritas-DNV With years of experience in this trade, we have learned the tricks and the importance of doing honest business. We committee ourselves to good quality ,on-time delivery, care-free service. Please be our customer and Welcome to visit ZhengYuan.