R&D, manufacturing, sales, technology development, technical services, technical consulting, technology transfer, leasing and maintenance services of mopeds, motorcycles, bicycles, off-highway recreational vehicles and their auxiliary accessories; development and sales of computer software products; research and development and sales of stationery, sporting goods, knitted products, clothing, shoes and hats, and daily necessities; self-operated and agency import and export business of various commodities and technologies, except for commodities and technologies that are restricted by the state or prohibited from import and export. General items: sales of toys, animations and entertainment supplies; sales of toys; sales of assistive bicycles, scooters and spare parts; manufacturing of trams; sales of trams