铜合金
ZQSn10-5铜合金
ZQSn10-2 铜合金
ZCuSn5Pb5Zn5铜合金进口直销
ZQSn10-1铜合金
ZCuSn5Pb5Zn5铜合金
C19400R-EH铜合金
C19400R-H铜合金
C19400R-1/2H铜合金
C19400 SH铜合金
C19400-EH铜合金
C19400-H铜合金
C19400 1/2H铜合金
C19400铜合金
C194 SH铜合金
C194H铁青铜
C194铜合金