專業(yè)生產(chǎn)礦用通信電纜；礦用控制電纜；礦用信號(hào)電纜；煤礦用通信電纜；礦用防爆線；礦用防爆通信電纜，煤礦用控制電纜；煤礦用信號(hào)電纜；礦用通訊電纜；礦用電纜；礦用線；礦用阻燃通信電纜；礦用阻燃信號(hào)電纜MKVV礦