矿用通信电缆MHYV 50x2X0.8

煤矿用通信电缆MHYV60*2*0.5

MHYVP矿用信号电缆-MHYVP

国标 MHYA32矿用通信电缆

MHYA32钢丝铠装竖井通信电缆

MHYA32钢带铠装通信电缆

MHYVR矿用电缆,矿用软芯信号电缆

MHYVR，PUYVR，矿用软电缆

MHJYV1X4X7/0.28矿用防爆电话线

ZR-HYA市话通讯电缆