获得MA 标志产品; 获得煤安证的产品: 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