Hebei cangzhou coronary steel pipe manufacturing Co., LTD. Is a professional production of large diameter and thickness tube wall seamless, double-sided submerged arc welding line 2, the 402mm 6mm 3000mm - 1.5 m 50, length, material # 20-20m, 16Mn, Q235B, ...

Wenzhou Point Trade Co., LTD was seperated from Zhejiang Hengyuan Steel CO., Ltd in March, 2009. It is a brach company of LTD. LTDwas founded 1992, whose predecessor Wenzhou Yongzhong Pipe Fitting Co.Ltd., renamed as Limited Company 2002. In November, 2007, ...