Zhejiang Zhengyuan Stainless Steel Pipe Co., Ltd. was founded in 2004 with registered capital of 50.88 million, a total investment of RMB 500 million, covers an area of 120000 M2. It is a large-scale manufacturer in field of stainless steel smelting, manufacturing for smls pipes/tubes. Our company has full set of production and inspection equipment including 5 sets of (electric arc furnace(20ton), VOD, AOD refining furnace), 8 sets of cold drawn production lines, 4 sets of cold rolled production lines, auto-control annealing furnace which control temperature in ±10℃. Full set of inspection instrument for UT, ET, Intergranular corrosion to ensure our product quality. Our annual volume for seamless stainless steel pipes will be 5000 MT. Material grade: 304, 304L, 304H, 310S, 316, 316L, 316Ti, 321, 321H, 347, 347H, 2205,904L. O. D: 10-630mm, W. T: 2-25mm, Length: 4-13m. Executive standard: ASTM A312, ASTM A213, ASTM A269, GB/T1220-2007 GB/T14975-2002, GB/T13296-91, GB/T14976-2002, DIN2462, JIS G3463 etc.