General items: Technical services, technology development, technical consultation, technical exchanges, technology transfer, technology promotion, information consulting services (excluding licensed information consulting services), sales of daily necessities, sales of feed raw materials, sales of feed additives, sales of livestock and fishery feed, wholesale of pet food and supplies, retail of pet food and supplies, research and development of mechanical equipment, software development, enterprise management consulting, human resources services (excluding job intermediary activities and labor dispatch services), business training (excluding education and training, vocational skills training, and other training requiring licensing), retail of computer hardware and software and auxiliary equipment, sales of instruments and meters, sales of experimental analysis instruments, information system integration services, integrated circuit design, sales of integrated circuits, sales of integrated circuit chips and products, design and services of integrated circuit chips, big data services, data processing services, sales of mechanical and electrical equipment, sales of pneumatic power machinery and components, internet sales (excluding sales of licensed goods), internet data services, domestic trade agency, sales of semiconductor lighting devices, sales of specialized equipment for semiconductor devices, sales of semiconductor discrete devices, sales of lighting fixtures, manufacturing of optoelectronic devices, sales of optoelectronic devices, retail of electronic components, manufacturing of electronic components and electromechanical assembly equipment, sales of electronic components and electromechanical assembly equipment, production of magnetic materials, sales of lamps, retail of household appliances, sales of household appliance parts, retail of hardware products, and sales of mechanical equipment. (Except for licensed businesses, projects not prohibited or restricted by laws and regulations may be operated independently according to law. ) Licensed items: Inspection and testing services. (Projects that require approval according to law may only be operated after obtaining approval from relevant departments. Specific business projects shall be subject to the approval documents or licenses issued by relevant departments. )