The QEFG eco-friendly gas insulated ring main unit (RMU) is independently developed by Beijing Qingchang Power Technology. It uses a kind of safety and environment-friendly eco-friendly gas as the substitute for SF6 as the insulation, thus, the pollu...

The QLG-SF6 gas insulated ring main unit (RMU) is independently developed and produced by Qingchang Power Technology. This RMU uses SF6 gas as the insulation and breaking medium. Besides, the load break switch, vacuum interrupter, generatrix and so o...

The gas insulated metal-enclosed switchgear(C-GIS) of the QCX-12/24 series is a kind box-type switchgear product that is self-developed by Qingchang. According to different insulation gas, it has two types: (1) QCX-E eco-friendly GIS (2) QCX-F SF6 ga...