In recent years, the coating technology of electrical epoxy insulation powder has been widely applied internationally in busbar, copper busbar, circuit breaker, switchgear, insulator, busbar duct, and insulation of electrical components that require high voltage resistance in 12-40.5kV switchgear, such as the 12kV switchgear of Mitsubishi Corporation in Japan, ABB Switzerland and Siemens Germany both use the insulation powder 5555 coating process to insulate the busbars inside the 12-40.5kV switchgear, especially in the 40.5kV switchgear, reducing the distance between phases and ground, reducing the cabinet volume, saving costs, and improving the overall quality of the switchgear. Internationally, ZN63 high current circuit breakers also use insulation powder coating. The main domestic sales agents are Haizheng Industry and others.