Tianjin SDTL Steel Pipe Co., Ltd. is a professional supplier of galvalume steel coil, welded steel pipe, galvanized steel pipe, seamless steel pipe, stainless steel pipe, API oil steel pipe, stainless steel plate, alloy steel coil, etc. We are reinforce and enlarge the business scope with Germany, Korea, Japan, America, Russia, Saudi Arabia etc, over than 60 counties. Our sales net are all of the world and all areas in China. Our sales had reach to 800 Millions dollars.