... , Galvanized, 3PE,FBE,Epoxy Coating 9. Usage:Widely used in the mechanical treatment field, petrochemical industry, transport and construction ... , for example transport of water, oil, gas etcCan be used in low and medium pressure boiler for the transportation ... -2000, ISO14000, ISO18000, API 5L certificate11. Picturesour producing flow chart, our factory, production line, inspecting equipments, our ...