Manufacturing of forgings and powder metallurgy products; manufacturing of automobile parts and accessories; manufacturing of motorcycle parts; manufacturing of general parts; mechanical parts and parts processing; manufacturing of industrial automatic control system devices; manufacturing of household appliances; research and development of efficient and energy-saving technologies in the power industry; technical services, technology development, technical consulting, technical exchanges, technology transfer, and technology promotion; solar power generation technical services; and sales of photovoltaic equipment and components.