Manufacturing of power electronic components; sales of power electronic components; manufacturing of electronic components; manufacturing of auto parts and accessories; retail of auto parts; wholesale of auto parts; manufacturing of motorcycle parts; research and development of motorcycles and parts; sales of intelligent power transmission, distribution and control equipment; manufacturing of distribution switch control equipment; research and development of distribution switch control equipment Development; sales of distribution switch control equipment; sales of electronic products; manufacturing of electronic components and electromechanical component equipment; sales of new energy vehicle electrical accessories; sales of electrical signaling equipment; manufacturing of mechanical and electrical equipment; sales of mechanical and electrical equipment; processing of mechanical parts and parts; manufacturing of electric motors; manufacturing of general equipment (excluding manufacturing of special equipment ); Electrical instrument manufacturing; Lighting equipment manufacturing; Hardware product manufacturing; Hardware product R&D; Hardware product retail; Metal product R&D; Metal product sales; Plastic product sales; Plastic product manufacturing; Rubber product manufacturing; Rubber product sales; Mold manufacturing; Mold sales; Moped manufacturing; Arts and crafts and ceremonial items Manufacturing (except ivory and its products); sales of arts and crafts and ceremonial items (except ivory and its products); leasing of non-residential real estate; information technology consulting services; technical services, technology development, technical consulting, technology exchange, technology transfer, technology promotion; import and export of goods; technology import and export; (the above does not include investment consulting).