Catering services. General projects: Wholesale of auto parts and accessories; retail of auto parts and accessories; mechanical parts and parts processing; leasing services (excluding licensed leasing services); non-residential real estate leasing; production and processing of auto parts; sales of auto parts, cars, auto decoration supplies, motorcycles, motorcycle parts, ship parts, and chemical products (excluding hazardous products) through the Internet and physical stores Hazardous chemicals), metal materials (excluding rare metals), mechanical equipment, Class I medical devices, electronic products (excluding electronic publications), Wujijiaodian, rubber products, daily necessities, computer software and hardware, hosting exhibitions and display activities; market research; corporate marketing planning; design, production, agency, and release of domestic and foreign advertising; import and export of goods, and import and export of technology. .