Non-residential real estate leasing; sales of plastic products; manufacturing of off-highway recreational vehicles and spare parts; sales of off-highway recreational vehicles and spare parts; manufacturing, processing, and sales: auto parts, motorcycle parts, general machinery and equipment, agricultural machinery and equipment, construction machinery and equipment, tooling fixtures, molds; mechanical processing; sales: lubricants, metal cutting oils, metal materials, engines, machinery parts, daily necessities, hardware tools, electrical machinery and equipment; equipment leasing ; General machinery and maintenance; operating the export business of the company’s products and technologies and the import business of mechanical equipment, spare parts, raw materials and technologies required by the company (except those restricted by the country); mechanical parts and general machinery technology research and development and promotion services. .