... ISO14001 ISO9001 CE 5.competitive seamless carbon steel pipe fittingswe are manufacturer for carbon steel pipe and fittings,like 45deg,90deg, ... 180deg,L/R OR S/R,bend ,equal or reducing tee ... , CON reducer, ECC reducer, pipe cap,flange. CON AND ECC REDUCER: CARBON STEEL,STAINLESS,STELL,ALLOY STEEL NOMINAL ...