Zhejiang Yingsheng Stainless Steel Co., Ltd is a professional manufacturer about stainless steel seamless pipes and Butt-welding Stainless Steel Elbow and Tee.Following is brief product list: Standard: ASTM A312, ASTM A213, ASTM A269, ASTM A511, ASTM A789, ASTM A790, JISG3459, JSIG3463, DIN 17456, DIN 17458, EN10216-5Grade: 304, 304L, 316, 316L, 317, 317L, 321, 321H, 310S, 347, 347H, 904L, S32205, S31803, S31500 and so on.The specification range of the pipes: Stainless Steel Seamless Round Pipe: (6mm-630mm) OD X (1.00MM-40.00MM) WT X (4000-13000MM) long.Stainless Steel Seamless Square Pipe: 25x25-400x400 x W.T 20mm Stainless Steel Seamless Rectangular Pipe: 25x30-400x300 x W.T 20mm Special materials and specifications can be supplied under negotiation by both parties. We have been Serving the Global Oil, Chemical, Petrochemical, Energy, Paper, Food Processing, Water Treatment, Pharmaceutical and related industrial and commercial industries since 1993.The inspection center of our company has all kinds of necessary inspection apparatus, mainly including Direct reading spectrometer (Import from Germany), Material test machine, Hydraulic Test machine, Air-under water test machine, Eddy current test machine, Ultrasonic Test machine, Flaring and Flattening test machine. We have been always paying high attention to the quality control management and got the ISO9001-2000 certificate, DNV certificate, BV, CE, "TOP 10 Best Pipe Manufacturer Of China" and so on.Third party inspection such as BV, SGS, LR, MOODY, ITS, DNV, as well as customer's stage-wise inspection are welcome. It is the policy of Zhejiang Yingsheng Stainless Steel Co., Ltd to provide its customers a best value product which fully satisfies customer specification requirements and is consistently delivered on time. In keeping with the above policy each and every employee has a responsibility to ensure that controls and processes are effective in satisfying customer needs