主营产品：KJ350-J型传输接口; KJ350-F型监控分站; 矿用风门开闭状态传感器; GFT50/42A(b)型风筒风量开关; 矿用隔爆兼本安直流稳压电源; GKT3L型矿用设备开停传感器; KJ350-Z型信号转换器; 矿用浇封兼本安型远程断电器; DJS1