Gear processing machine tools, lathes, machining centers, auto parts, special equipment, cutting tools, indexing turntables, elevator traction machines, metal castings and forgings, development, manufacturing, sales, and maintenance of general electromechanical products; metal processing machinery manufacturing; housing rental; auto parts research and development; auto parts and accessories manufacturing; motorcycles and parts research and development; motorcycle parts Manufacturing of accessories; retail of motorcycles and spare parts; processing of mechanical parts and spare parts; sales of mechanical parts and spare parts; sales of machine tool accessories and automobiles (excluding cars); import and export of goods and technology; general freight; R&D, manufacturing, sales and after-sales service of agricultural machinery; agricultural machinery services; machinery and equipment leasing; house leasing; and non-residential real estate leasing.