The registration authority is the xianxi xianxian power equipment co. Ltd., located in the economic technology development zion, xian city, xinxi province, in the new city arms base mauyang road and north west point technical enterprise incubator project, with the registration authority opening a separate division for the xian city market supervision authority, representing liu fei, and operating in the areas of high-pressure switches, high-pressure vacuum breakers, high-pressure isolation switches, high-pressure gauges, intersensors, production, sale and maintenance of low-pressure electrical kits and accessories。