Retail of motorcycles and spare parts; retail of automobile spare parts; retail of protective equipment for medical staff; import and export of goods; sales of daily necessities; wholesale of automobile spare parts; Internet sales (except for sales of goods requiring licenses); mechanical parts and parts processing; technology import and export; general parts manufacturing; automobile parts and accessories manufacturing; motorcycle and parts research and development; industrial robot manufacturing; mold manufacturing; mechanical and electrical equipment manufacturing; household appliance manufacturing; mechanical equipment leasing; and mechanical equipment research and development.