... Tianrui steel tube Co., Ltd. is one of the first manufacturers of pipe and pipe fittings which has attained ISO9001 ... cap,concentric reducer,eccentric reducer,steel pipe,pipe fitting,carbon steel pipe fitting,stainless steel pipe fitting,alloy steel ... , ECC reducer, pipe cap,flange. CON AND ECC REDUCER: CARBON STEEL,STAINLESS,STELL,ALLOY STEELNOMINAL DIAMETERBIG OD1SMALL OD2HEIGHT(MM)MMSERIES ...