“Special equipment manufacturing; Special equipment design; Special equipment inspection and testing; Special equipment installation, modification, and repair; Civil aircraft parts design and production; Class II medical device production; Metal ship manufacturing; Mobile pressure vessel/gas cylinder filling; Road motor vehicle production; Construction engineering construction. General items: New material technology research and development; Special equipment sales; Technology import and export; Import and export of goods; General equipment manufacturing (excluding special equipment manufacturing); General parts manufacturing; Mechanical equipment sales; Mechanical parts and components processing; Mechanical parts and components sales; Diving and salvage equipment manufacturing; Diving and salvage equipment sales; Navigation mark equipment and related device manufacturing; Pneumatic power machinery and components manufacturing; Pneumatic power machinery and components sales; Hydraulic power machinery and components manufacturing; Hydraulic power machinery and components sales; Non-ferrous metal alloy manufacturing; Non-ferrous metal alloy sales; Metal structure manufacturing; Metal structure sales; New material technology promotion services; New metal functional material sales; Engineering and technology research and experimental development; Technical services, technical development, technical consulting, technical exchange, technology transfer, technology promotion; Automobile parts research and development; Automobile parts and accessories manufacturing; Automobile parts retail; Automobile parts wholesale; Electronic component manufacturing; Electronic components and electromechanical component equipment sales; Gas and liquid separation and purification equipment manufacturing; Gas and liquid separation and purification equipment sales; Fire-fighting equipment sales; Security equipment manufacturing; Security equipment sales; Civil aviation material sales; High-performance fiber and composite material manufacturing; High-performance fiber and composite material sales; Glass fiber and product manufacturing; Glass fiber reinforced plastic product manufacturing; Glass fiber and product sales; Glass fiber reinforced plastic product sales; Class I medical device production; Class I medical device sales; Class II medical device sales; Plastic product manufacturing; Plastic product sales; Mechanical equipment research and development; Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); Specialized equipment repair; General equipment repair; Environmental protection specialized equipment manufacturing; Environmental protection specialized equipment sales; Pump and vacuum equipment manufacturing; Pump and vacuum equipment sales; Electrical equipment repair; Software development; Valve and cock research and development; General valve and cock manufacturing (excluding special equipment manufacturing); Valve and cock sales; Electronic components and electromechanical component equipment manufacturing; Battery parts production; Battery parts sales; Industrial automatic control system device manufacturing; Industrial automatic control system device sales; Automobile sales; Hydraulic and pneumatic components and system manufacturing; Hydraulic and pneumatic components and system sales; Intelligent robot research and development; Intelligent robot sales; Industrial robot manufacturing; Industrial robot sales; Material handling equipment manufacturing; Material handling equipment sales; Industrial robot installation and repair; Optoelectronic device manufacturing; Optoelectronic device sales; Optical communication equipment manufacturing; Optical communication equipment sales; Communication equipment sales; Optical fiber manufacturing; Optical fiber sales; Optical cable manufacturing; Optical cable sales; Navigation, surveying, mapping, meteorological, and marine specialized instrument manufacturing; High-speed rail equipment and parts manufacturing; Marine supporting equipment manufacturing; Radar and supporting equipment manufacturing; Marine engineering equipment manufacturing; Intelligent unmanned aerial vehicle manufacturing; Intelligent unmanned aerial vehicle sales.”,