Operate the export business of the company’s self-produced products and technologies, operate the import business of raw and auxiliary materials, instruments, mechanical equipment, spare parts and technologies required for the company’s production (except for goods and technologies that are restricted by the state and prohibited from import and export by the state), operate imported materials processing and “three to one supplement” business; produce, process and sell: diesel engines and their ancillary products, mechanical products, diesel engines and accessories, tractor chassis, agricultural transport vehicles , auto parts and engineering plastic parts, motorcycles and accessories, ATVs and accessories, go-karts and accessories, toy cars and accessories, scooters and accessories, agricultural machinery and accessories, mowers and accessories, crushers and accessories, livestock machinery and accessories, mechanized agriculture and gardening machinery, silviculture and wood and bamboo harvesting machinery, fishery machinery. Contracting: landscaping project design, construction and greening management; wholesale and retail: batteries.