Technology development and assembly of special passenger vans, special work vehicles, general truck trailers, and other trailers; technology development and production of horse-carrying trailers, recreational vehicles, recreational trailers and their parts, special functional composite materials and products; mold design and production; sales of self-produced products and provision of related after-sales and consulting services; technology transfer and technical services for the above products; sales of automobiles and automotive parts; import and export business and domestic wholesale business of vehicle-mounted supporting facilities. Licensed items: construction engineering design; various construction engineering activities; accommodation services. General items: leasing of mechanical equipment; motor vehicle modification services; campsite services; manufacturing of non-highway leisure vehicles and parts; sales of non-highway leisure vehicles and parts; manufacturing of intelligent vehicle-mounted equipment; amusement park services; manufacturing of ordinary open-air amusement park equipment (excluding large amusement rides).