Research and development, production and sales of mechanical and electrical products; Production and sales of electric vehicles and their accessories; Research and development, manufacturing and sales of automotive parts, new energy vehicles and their accessories, electric motors, and special environmental protection equipment; Manufacturing of industrial automatic control system devices; Research and sales of intelligent products; Self-operation and agency of various goods and technologies' import and export business (except for those restricted or prohibited by the state); Manufacturing of photovoltaic equipment and components; Construction, operation, maintenance and management services of photovoltaic power stations. (Projects that require approval shall be carried out only after obtaining the approval from relevant departments. ) Main business: Internet sales (except for goods and technologies that require licensing); Sales of metal materials; Leasing services (excluding licensed leasing services); Sales of magnetic materials; Manufacturing of batteries; Production of battery parts; Sales of batteries; Sales of battery parts; Manufacturing of fans and fans; Sales of fans (except for projects that require approval according to the law); Operating activities, maintenance and management services of photovoltaic power stations.