mhyav,30x2x0.5礦用通信電纜 獲得ma 標(biāo)志產(chǎn)品；井筒信號(hào)電纜|井下電纜
井下電纜mhya32(5-100對(duì)) mhy32 (2-19對(duì))mkvv32(2-61芯)
獲得煤安證的產(chǎn)品：井筒信號(hào)電纜
mhyv (1-10對(duì)) mhyav (5-100對(duì))
mhya32(5-100對(duì)) mhy32 (2-19對(duì))
mhyvp (2-10對(duì)) mhyvrp(2-10對(duì))