We produce Seamless steel pipe 1.Out diameter: 13.7-914mm; 2. ... two ends as per customer’s requirements8. Surface treatment:Bare pipe, Painted, Oiled, Galvanized, 3PE,FBE,Epoxy Coating 9 ... and big equipments, for example transport of water, oil, gas etcCan be used in low and medium pressure ... composition:Please See below. Process of Seamless Steel Pipe Lonrise Group with total assets of 0.3 billion ...