Manufacturing, processing, and sales of distribution switch control equipment, inverters, and high and low voltage complete sets of cabinets; sales of Wujinjiaodian, mechanical equipment, instruments, wires and cables, auto parts, motorcycle parts, low-voltage electrical appliances and electrical accessories, new energy equipment, distributed photovoltaic power generation equipment, and solar photovoltaic power generation equipment; import and export of goods, and import and export of technology.