Research and development of emerging energy technologies; manufacturing of transformers, rectifiers and inductors; battery manufacturing; manufacturing of photovoltaic equipment and components; manufacturing of electronic components; manufacturing of distribution switch control equipment; business of wires and cables; wholesale of automobile parts; manufacturing of motorcycle parts; manufacturing of household appliances; manufacturing of hardware products; manufacturing of mechanical and electrical equipment; import and export of goods; technology import and export; technical services, technology development, technical consultation, technical exchange, technology transfer, and technology promotion.