Manufacturing of distribution switch control equipment; sales of distribution switch control equipment; manufacturing of mechanical and electrical equipment; sales of mechanical and electrical equipment; manufacturing of auto parts and accessories; wholesale of auto parts; retail of auto parts; manufacturing of motorcycle parts; wholesale of motorcycles and spare parts; retail of motorcycles and spare parts; manufacturing of electronic components; wholesale of electronic components; retail of electronic components; manufacturing of power electronic components; sales of power electronic components; manufacturing of industrial automatic control system devices; sales of industrial automatic control system devices; electronic components and machines Manufacturing of electrical component equipment; sales of electronic components and electromechanical component equipment; manufacturing of smart vehicle equipment; sales of smart vehicle equipment; manufacturing of automotive decorative items; sales of automotive decorative items; manufacturing of household appliances; sales of household appliances; manufacturing of electrical accessories; sales of electrical accessories; plastic product manufacturing; plastic product sales; mold manufacturing; mold sales; hardware product manufacturing; hardware product wholesale; hardware product retail; technical services, technology development, technical consultation, technology exchange, technology transfer, technology promotion; import and export of goods; technology import and export. (The branch offices are located at: No. 38, Hongqiao West Road (Jianqiang Village), Hongqiao Town, Yueqing City, No. 212, Honghe West Road (Lingming Village))