We take the pleasure to introduce ourselves Wenzhou Shengrun Stainless Steel Co., Ltd as one of the professional Manufacturers, Stockists and Suppliers for Stainless Steel Seamless Pipe & Tubes in China.We also own our steel-making factory, round bar hot-rolling factory and hollowing workshop and trading company: Fuding City Huasheng New Materials Co., Ltd. , Wenzhou Zhengrong International Trade Co., Ltd.The main tech-data of product listed as below:Standard: ASTM A312/312M, ASTM A269/269M, ASTM A213/213M, GB/T14975-2002, GB/T14976-2002, etc.Grade:TP304,TP304L,TP316L,TP310S,TP321,TP347H etc.Range::OD(10mm-355mm), WT(1.0mm-30mm), Length(5.0m?11.8m)