MHYV矿井电缆4*2*7/0.52...
矿用通信电缆MHYV2x2x1.5电...
矿用通信电缆MHYVP 1*9*7/...
矿用通信电缆MHYBV-200*2*...
矿用井筒信号电缆MHYVP100*2...
铜丝屏蔽电缆KVVP-450V-6*...