... black 3)H,HE,HF,HB,GF 4)OEM/ODM malleable iron pipe fittings on the basis of ISO5922, ISO49, ISO71, KSB1531, GB3287, BS ... standard(BS), American standard, and DIN standard. 2)It includes: ELBOW, TEE, SOCKET, UNION, NIPPLE, BUSHING, CAPS, PLUGS, BENDS, CROSSOVER etc ... L/C at sight. We can offer many kinds of pipe fittings and manufacture according to your drawings Similar products: