... Material optional: brass (HPb57-3A, HPb58-3A, HPb59-1A or customized brass rod, steel, ironProcess: cold cut, hot forge ... natural, zinc, HDGConnection type: thread (BSP, NPT), weldingStandard: ISO, GB or ASTM, ANSICertification: ISO 9001:2000, CE, ACS, TUV, UL, ROTHDimensions ... customized fittings we also produce and sell other standard or customized threaded pipe fittings and connector, PEX fittings, ...