获得MA 标志产品；井筒信号电缆
获得煤安证的产品：井筒信号电缆
煤矿用阻燃通信电缆MHYV MHJYV MHYBV MHYA32 MHYYV MHYY32
煤矿用阻燃信号电缆：MHYVR MHYBV MHYV32 MHYVR MHYVP MHYBV MHYVR32
煤矿用阻燃控制电缆：MKVV MKVV22 MKVV32 MKVVR MKVVRP
MHYBV 20X2X0.8
MHYBV 10X2X0.8
MHYBV 5X2X0.8
MHYAV 20X2X0.8
MHYAV 30X2X0.8
MHYAV 50X2X0.8
MHYA32 30X2X0.8
MHYA32 50X2X0.8
MHYA32 80X2X0.8