The company's business scope includes: Manufacturing of audio equipment; Stage lighting and sound equipment installation services; Research and development of electronic, communication, and automatic control technologies; Software wholesale; Wholesale of communication equipment and supporting equipment; Wholesale of communication terminal equipment; Wholesale of broadcasting equipment and its accessories; Wholesale of television equipment and its accessories; Wholesale of broadcasting and television satellite equipment; Wholesale of electronic components; Wholesale of electronic products; Software retail; Retail of communication equipment; Retail of security technology prevention products; Retail of electronic components; Retail of electronic products; Research and development of network technology; Research and development of fire detection technology; Wholesale trade of goods (excluding licensed and approved goods); Retail trade of goods (excluding licensed and approved goods); Software development; Software services; Software testing services;