... ,coupling,steel pipe cap,seal head,end cap,concentric reducer,eccentric reducer,steel pipe,pipe fitting,carbon steel pipe fitting,stainless steel ... 28 JIS B 2311/222 pipe fittings: we are manufacturer for carbon steel pipe and fittings,like 45deg,90deg,180deg,L ... bend ,equal or reducing tee, CON reducer, ECC reducer, pipe cap,flange. CON AND ECC REDUCER: CARBON STEEL,STAINLESS,STELL,ALLOY STEELNOMINAL ...