Manufacturing of auto parts and accessories; research and development of auto parts; retail of auto parts; research and development of motorcycle parts; manufacturing of motorcycle parts; wholesale of motorcycles and parts; research and development of motors and control systems; manufacturing of fans and fans; sales of fans and fans; motor manufacturing; mechanical and electrical equipment manufacturing; research and development of distribution switch control equipment; manufacturing of distribution switch control equipment; sales of distribution switch control equipment; manufacturing of mopeds; sales of electric bicycles; manufacturing of fasteners; fastening Sales of accessories; manufacturing of instruments and meters; sales of instruments and meters; research and development of household appliances; manufacturing of household appliances; sales of household appliances; research and development of hardware products; manufacturing of hardware products; wholesale of hardware products; retail of hardware products; manufacturing of metal materials; sales of metal products; manufacturing of plastic products; sales of plastic products; research and development of kitchenware, sanitary ware and daily sundries; retail of kitchenware, sanitary ware and daily sundries; software development; information technology consulting services; business agency services; new material technology promotion services. Licensed items: technology import and export; goods import and export.