Hot dipped galvanized iron pipe fittings bushing 1,Mature Technology 2,delivery on time Hot dipped galvanized iron elbow:1,Mature Technology 2,Delivery on time3,OEM, ... "6, Surface finish:hot dipped galvanized,electric galvanized,bake galvanized,black7, Standard:American standard,British standard, DIN standard8, Type:galvanized cast iron pipe fitting elbow9,Certificate: ISO900110 ...