生产-矿用信号电缆MHYVR 1X4...
通讯电缆-MHYV 10X2X1/0...
MHYV矿用信号线,矿用信号线PUY...
矿用信号电缆MHY32,PUYV39...
矿用阻燃电缆PUYVP
MHYVRP(PUYVRP)煤矿用监...