1,manufacturer 2,good quality and competitive price 3,support the third ... inspection 4,ISO cert 5,quick delivery 1,Name: pre galvanized steel pipe manufacturer 2,Standard: BS1387-1985, GB/T3091, ASTM A533,Material ... pve sheet9, End protector: plastic caps and sockets10, surface treatment: galvanized; pre galvanizing; 11,Price term: EXW, FOB, CNF, CFR, CIF12 ...