The general business projects include the research and development and sales of LED lighting fixtures, signal lights, traffic facilities, audio system equipment, battery protection panels, automotive LED lights, automotive supplies, hardware and electrical equipment, electronic measuring instruments, optical testing instruments, supply instruments, electrical equipment, multimedia system equipment, intelligent digital electronic products, security products, intelligent security monitoring systems, educational and cultural products, electronic products, and plastic products; Onsite installation, maintenance, and repair of electronic products (excluding special equipment); Domestic trade, import and export of goods and technology. (Except for projects prohibited by laws, administrative regulations, and decisions of the State Council, restricted projects must be licensed before operation), the licensed business projects include: LED lighting fixtures, signal lights, traffic facilities, sound system equipment, battery protection panels, automotive LED lights, automotive supplies, hardware and electrical equipment, electronic measuring instruments, optical testing instruments, supply instruments and meters, electrical equipment, multimedia system equipment, intelligent digital electronic products Production of security products, intelligent security monitoring systems, educational and cultural products, electronic products, and plastic products