Engineering and technology research and experimental development; new material technology research and development; synthetic material manufacturing (excluding hazardous chemicals); synthetic material sales; plastic product manufacturing; plastic product sales; thermal insulation and sound insulation material sales; auto parts wholesale; auto parts retail; motorcycles and parts wholesale; motorcycles and parts retail; motorcycle parts manufacturing; auto parts and accessories manufacturing; technical services, technology development, technical consultation, technology exchange, technology transfer , Technology promotion; Special equipment manufacturing (excluding licensed professional equipment manufacturing); Mechanical equipment research and development; Mechanical equipment sales; General mechanical equipment installation services; Toy manufacturing; Toy sales; Professional design services; Packaging materials and product sales; Import and export of goods; Technology import and export; Import and export agency; Mold manufacturing; Mold sales; Domestic cargo transportation agency; Leasing services (excluding licensed leasing services) Licensed items: Road cargo transportation (excluding dangerous goods)