General project: General equipment manufacturing (excluding special equipment manufacturing); Manufacturing of material handling equipment; Motor manufacturing; Manufacturing of gears, gear reducers, and gearboxes; Manufacturing of bearings, gears, and transmission components; Manufacturing of metal wire ropes and their products; Manufacturing of forgings and powder metallurgy products; Manufacturing of electronic components and electromechanical component equipment; Mechanical parts and component processing; Manufacturing of distribution switch control equipment; General component manufacturing; Special equipment sales; Sales of material handling equipment; Sales of electronic components and electromechanical component equipment; Sales of metal wire ropes and their products; Sales of gears, gear reducers, and gearboxes; Sales of bearings, gears, and transmission components; Operation of wires and cables; Sales of mechanical equipment; Sales of forgings and powder metallurgy products; Sales of mechanical parts and components; Sales of distribution switch control equipment; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Maintenance of electronic and mechanical equipment (excluding special equipment); Import and export of goods; General equipment repair; Installation services for ordinary mechanical equipment; Rental of special equipment (except for projects that require approval according to law, business activities can be carried out independently with a business license in accordance with the law) License project: Manufacturing of special equipment; Special equipment installation, renovation, and repair (projects that require approval by law can only be carried out after approval by relevant departments. The specific business projects shall be subject to the approval documents or licenses of relevant departments)