hya大对数通信电缆-HYA

MHYVMHYV，矿用通讯电缆

syv同轴电缆

MHYVRMHYVR,矿用阻燃通信电缆

PTYA23PTYA23铁路信号电缆

MHYAMHYA,矿用信号电缆

MHYVPMHYVP,信号屏蔽电缆

NH-VV耐火电力电缆

HYAT53HYAT53,铠装通信电缆

HYA53 铠装通信电缆HYA53

NH-VV耐火电缆

MHYVMHYV煤矿用通信电缆