进口铜闸阀,kitz铜闸阀 kitz铸铁闸阀,125FCHI,10FCHI,10FCL(S)(U),16FCW,125FCL(S),125FCWI, kitz球墨铸铁法兰闸阀阀,150SMBO,300SLBO, kitz不锈钢丝扣闸阀,UEL(M),UE(M), kitz青铜丝扣闸阀,S,H,kitz青铜法兰闸阀EB/EBH, kitz黄铜丝扣闸阀,FR,FH