Industrial automatic control system device manufacturing; Metallurgical special equipment manufacturing; General equipment manufacturing (excluding special equipment manufacturing); General parts manufacturing; Industrial automatic control system device sales; New energy original power equipment manufacturing; Oil refining and chemical production special equipment manufacturing; Hydraulic power machinery and component manufacturing; Hydraulic power machinery and component sales; Metal structure manufacturing; Metal structure sales; Metal chain and other metal product manufacturing; Metal product sales; Plastic product manufacturing; Plastic product sales; Machining and parts processing of mechanical parts; Hardware product manufacturing; Industrial robot manufacturing; Smart robot research and development; Auto parts and accessories manufacturing; Auto parts research and development; Auto parts wholesale; Metal material sales; Goods import and export; Technology import and export; Import and export agency; Integrated circuit design; Integrated circuit manufacturing; Integrated circuit sales; Integrated circuit chip design and services; Integrated circuit chip and product manufacturing; Integrated circuit chip and product sales; Power electronic component manufacturing; Electronic component manufacturing; Electronic components and electromechanical component equipment sales; Optoelectronic device manufacturing; Optoelectronic device sales; Semiconductor lighting device manufacturing; Semiconductor lighting device sales; Semiconductor discrete device manufacturing; Semiconductor discrete device sales; Lighting appliance manufacturing; Lighting appliance sales; Software development; Software sales; Information system operation and maintenance services; General equipment repair; Technical services, technology development, technical consultation, technical exchange, technology transfer, and technology promotion; Road freight transport of general cargo vehicles with a total mass of 4.5 tons or less (excluding network freight and dangerous goods)