Manufacturing, processing and sales of RV bodies; sales of RVs; leasing of RVs; research and development, processing and sales of RV furniture, RV interiors, RV parts, containers, prefabricated houses, and outdoor products; sales of steel, wood, and decoration materials; self-operated and agency import and export of various commodities and technologies (excluding those restricted or prohibited by the state). Licensed projects: manufacturing of road motor vehicles; operation of Class III medical devices; manufacturing of special equipment. General items: dealership of used cars; brokerage of used cars; appraisal and evaluation of used cars; modification services for motor vehicles; sales of new cars; park management services; organization of cultural and artistic exchange activities; planning and consulting for tourism development projects; catering management; camping ground services; sales of used cars; sales of Class II medical devices; research and development of automotive parts; manufacturing of automotive parts and accessories; manufacturing of navigation, surveying, meteorology and ocean special instruments; sales of navigation, surveying, meteorology and ocean special instruments; research and development of mechanical equipment; sales of mechanical equipment; manufacturing of communication equipment; sales of communication equipment; sales of special equipment; manufacturing of security equipment; sales of security equipment; sales of semiconductor device special equipment; sales of electronic products; sales of plastic products; retail of hardware products; sales of household appliances; sales of building materials; technical services, technology development, technical consultation, technical exchange, technology transfer, and technology promotion.