Manufacturing of distribution switch control equipment; sales of distribution switch control equipment; manufacturing of power electronic components; sales of power electronic components; manufacturing of electronic components; wholesale of electronic components; manufacturing of motorcycle parts and accessories; manufacturing of auto parts and accessories; wholesale of auto parts; manufacturing of lighting fixtures; sales of lighting fixtures; business of wires and cables; manufacturing of hardware products; wholesale of hardware products; manufacturing of plastic products; sales of plastic products; mold manufacturing; mold sales; manufacturing of power facilities and equipment; sales of power facilities and equipment; import and export of goods; import and export of technology.