... , hot forge,Surface Treatment: nickle, chrome, brass natural, zinc, HDGConnection type: thread (BSP, NPT), weldingStandard: ISO, GB or ASTM, ANSICertification: ISO ... fittings and connector, PEX fittings, PEX-AL-PEX fittings, gardening hose couplings, both brass forged and steel forged, copper fittings, full arange ...