General project: Research and development of electronic specialized materials; Manufacturing of metal cutting and welding equipment; Manufacturing of industrial automatic control system devices; Laser marking processing; Manufacturing of optical instruments; Manufacturing of optoelectronic devices; Sales of mechanical equipment; Glass manufacturing; Metal cutting processing services; Sales of CNC machine tools; Sales of metal cutting and welding equipment; Sales of mechanical and electrical equipment; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; General equipment manufacturing (excluding special equipment manufacturing); Manufacturing of metal cutting machine tools; Research and development of intelligent robots; Mechanical equipment research and development; Software development; Sales of optical instruments; Manufacturing of mechanical and electrical equipment; Sales of metal cutting machine tools; Sales of industrial automatic control system devices. (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law)