... Certificate:API product nameLarge diameter LSAW steel pipe manufacturerConnectionJOCE formingOD406mm-1422mmWall thickness8mm-50mm(SCH10-XXS ... drilling,boiler,precision machines ,petroleum,Chemical,structure pipe,fluid pipe,linepipe etcPackagingExpor packaging :in bundles,Painting ... diameter LSAW steel pipe manufacturer The equipment of Large diameter LSAW steel pipe manufacturer Production Process: ...