... ,steel structure ,building and otherrelated fields.Our steel pipe has been exported to many countries,such as UAE ... ,S235JR,S235JOHSurfaceFusion Bond Epoxy coating, Coal Tar Epoxy,3PE,FBE,Varnish coating,Bitumen coating, Black oil coating as per customer’s ... , Korea, Indonesia, etc Manufacturing Technological Process ERW Steel Pipe PictureCertificate:Our main customer: Our customersWe always put the ...