Tianjin Quantong Steel Pipe Co., Ltd. is located in Jinghai, Tianjin which is the earliest and largest production base for steel pipes in China. It was founded in 2003, the fixed assets of 162 million yuan, with the registered capital of 62 million yuan, is spiral welded pipe production of professional manufacturers. Screw 2 lines and related inspection equipment. There are 150 staffs, including high-level 15 technicians, strong technical force, advanced equipment, perfect testing equipment. And our company occupies a land area of 100 acres. Our main products are spiral welded pipes ,straight...