Licensed Items: Construction engineering construction; Construction engineering design; Specialized construction operations (for projects that must be approved according to law, business activities can be carried out only after approval by the relevant departments, and the specific business projects shall be subject to the approval results).

General Items: Manufacturing of metal nameplates for traffic and public management; Sales of metal nameplates for traffic and public management; Manufacturing of special equipment for traffic safety and control; Manufacturing of electrical signal equipment devices; Sales of electrical signal equipment devices; Manufacturing of lighting fixtures; Sales of lighting fixtures; Sales of metal materials; Manufacturing of digital video surveillance systems; Sales of digital video surveillance systems; Design and construction services for security technology prevention systems; Security system monitoring services; Manufacturing of solar thermal power generation products; Sales of solar thermal utilization equipment; Manufacturing of sports goods and equipment; Sales of sports goods and equipment; Sales of solar energy utilization equipment and supporting materials; Sales of wires, cables, and electrical equipment (except for projects that must be approved according to law, business activities can be carried out independently in accordance with the law with a business license).