
Permitted items: Import and export of goods; Import and export of technology; Import and export agency; Road freight transportation (excluding dangerous goods) (Projects that require approval must be carried out after obtaining the approval from relevant departments. The specific business items shall be subject to the approval results. ) General items: Bearing manufacturing; Bearing sales; Manufacturing of bearings, gears and transmission components; Sales of bearings, gears and transmission components; Manufacturing of gears and gear reducers, and transmission boxes; Sales of gears and gear reducers, and transmission boxes; Manufacturing of hydraulic power machinery and components; Sales of hydraulic power machinery and components; Research and development of metal products; Sales of metal products; Manufacturing of construction machinery for buildings; Sales of construction machinery for buildings; Manufacturing of mechanical and electrical equipment; Sales of mechanical and electrical equipment; Repair of electrical equipment; Sales of electrical equipment; Processing of mechanical parts and components; Sales of mechanical parts and components; Manufacturing of general parts and components; Manufacturing of mining machinery; Sales of mining machinery; Manufacturing of agricultural machinery; Sales of agricultural machinery; Manufacturing of industrial automatic control systems devices; Sales of industrial automatic control systems devices; Repair of general equipment; Repair of special equipment; Sales of metal materials; Manufacturing of automotive parts and accessories; Retail of automotive parts and accessories; Leasing of construction machinery and equipment; General mechanical equipment installation services; Leasing of mechanical equipment; General cargo storage services (excluding projects that require license approval such as those involving hazardous chemicals); Professional design services; Technical services, technology development, technology consultation, technology exchange, technology transfer, technology promotion (except for projects that require approval in accordance with the law; Activities shall be carried out independently in accordance with the business license).