... ,water,gas,ect 2.2PE,3PE coating anti-corrosion pipe 3.ISO9001,ISO14001certtificate Quick DetailsPlace of Origin ... Secondary Or Not: Non-secondaryApplication: petroleum Pipe Surface Treatment:2/3PEAlloy Or Not: Non-alloyPackaging & DeliveryPackaging Detail ... to the quantitySpecifications1.anti-corrosion pipe for petroleum,water,gas,ect2.2PE,3PE coating anti-corrosion pipe3.ISO9001,ISO14001certificate ...