SSAW Steel Pipe The raw materials of the same width can be processed in different molding angles to manufacture steel pipes in various diameters. The spiral steel pipe shaping method ensures that....
Tianjin Zhongshun Petroleum Steel Pipe Co., Ltd. is a specalized manufacture of petroleum steel pipe, founded in 1995.It is located in the steel Base, Daqiuzhuang Town which is well-known all over....
Manufacturing technique The raw materials of the same width of the API 5L black steel pipe can be processed in different molding angles to manufacture steel pipe in various diameters which are in....