General project: Manufacturing of gears and gear reducers, and gearboxes; Sales of gears, gear reducers, and gearboxes; Manufacturing of automotive parts and accessories; Manufacturing of bearings, gears, and transmission components; Sales of bearings, gears, and transmission components; Wholesale of automotive spare parts; Agricultural machinery manufacturing; Agricultural machinery sales; Steel rolling processing; Non ferrous metal rolling processing; Sales of rubber products; Housing rental; Non residential real estate leasing; Mechanical equipment leasing; Mold sales; Import and export of goods; Technology import and export. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license in accordance with the law) Licensed project: Road freight transportation (excluding dangerous goods). (For projects that require approval according to law, business activities can only be carried out after approval by relevant departments. The specific business projects shall be subject to the approval documents or permits issued by relevant departments. )