... for petroleum,water,gas,ect 2.2PE,3PE coating anti-corrosion pipe 3.ISO9001,ISO14001certtificate Quick DetailsPlace of Origin: Hebei ... or according to the quantitySpecifications1.anti-corrosion pipe for petroleum,water,gas,ect2.2PE,3PE coating anti-corrosion pipe3.ISO9001,ISO14001certificate ADVANTAGES: 1 ... : life up to 50 years high quality PE anti-corrosion pipe for petroleum(China manufacture)