... treatment3PE,black painting, anti-corrosion oil, galvanized or as per required by customerPackingWrapped in bundles by steel ... inspectionSGS/BVCertificatesAPI 5CT, 5L, ISO9001:2000Production Capacity4000,000tons per yearDelivery time14-20daysMain marketAsia, Middle East, America, Europe ... B carbon steel pipe,seamless pipes, welded pipes, galvanized pipes, special shaped pipes and furniture pipes. Now ...