... Co.,Ltd,as a leading ERW and SSAW steel pipe manufacturerin China. All these steel pipes are suitable for the ... X60,X65,X70ASTMA53:GrA,GrBEN:S275,S275JR,S355JRH,S355J2H,S235JR,S235JOHSurfaceFusion Bond Epoxy coating, Coal Tar Epoxy,3PE, ... , USA, Italy, Korea, Indonesia, etc Manufacturing Technological Process ERW Steel Pipe PictureCertificate:Our main customer: Our customersWe always put the quality ...