... we, Hebei Gee Pipe Mill Co., Ltd,are specialized various steel pipe ,including seamless pipe ,carbon pipe,and stainless pipe. Name ... : weld steel pipeDN:15-1220Thickness:3.5-59.5mmLength:6000mm-12000mmStandard:ASTMA53 ... industries like machinery, automobile, shipping, chemical industry, heavy industry, steel structure, building, etc. steel pipe