Communication equipment manufacturing; Communication equipment sales; Computer software and hardware and peripheral equipment manufacturing; Computer software and hardware and auxiliary equipment wholesale; Computer software and hardware and auxiliary equipment retail; Electronic product sales; Hardware product manufacturing; Hardware product retail; Hardware product research and development; Mold sales; Mechanical parts and components sales; Electronic component manufacturing; Mechanical and electrical equipment manufacturing; Electronic component retail; Mold manufacturing; Plastic processing special equipment manufacturing; Domestic trade agency; Import and export of goods; Domestic freight forwarding; Road cargo transportation of general freight vehicles with total mass of 4.5 tons and below (excluding network freight and dangerous goods); Plastic product manufacturing; Plastic product sales; Software development; Metal product research and development; Electronic special material research and development; Mechanical equipment research and development; New material technology research and development; Audio equipment sales; Electronic component wholesale; Power distribution switchgear equipment manufacturing; Power distribution switchgear equipment research and development; Power distribution switchgear equipment sales; Smart home consumer equipment manufacturing; Smart home consumer equipment sales; Artificial intelligence industry application system integration services; Information system integration services; Home appliance research and development; Internet of Things technology research and development; Internet of Things equipment manufacturing; Data processing and storage support services; Integrated circuit manufacturing; Other electronic device manufacturing; Electronic (gas) physical equipment and other electronic equipment manufacturing; Digital home product manufacturing; Smart home gateway manufacturing; Network equipment manufacturing; Cloud computing equipment manufacturing; Audio equipment manufacturing; Musical instrument wholesale; Musical instrument retail; Musical instrument manufacturing