Based on the MV and LV intelligent equipment and distribution master station system, the modeling of MV and LV equipment and automatic generation of geographical layout and electrical wiring diagram are realized through IoT technology and full-automatic cloud-edge collaboration to realize integrated automatic perception and panoramic monitoring of MV and LV distribution networks, automatically "light up one network", and fully support the digital and transparent construction of distribution networks. XJ covers distribution switch, intelligent controller, and SCADA system. It has supplied more than 300,000 sets of various medium-voltage switches and ring main units and more than 200 sets of systems covering 60% cities in China to meet the application requirements under high altitude, extreme temperature and heavy lightning impulse conditions.