Motor and its control system research and development; Intelligent home consumer equipment manufacturing; Motor manufacturing; Security equipment manufacturing; Fireproof sealing material production; Gears and gear reduction and transmission manufacturing; Door and window manufacturing and processing; High-speed rail equipment and parts manufacturing; Power transmission and distribution and control equipment manufacturing; Optoelectronic device manufacturing; Material handling equipment manufacturing; Traffic and public management metal sign manufacturing; Mechanical and electrical equipment manufacturing; Gas, liquid separation and purification equipment manufacturing; Metal chain and other metal product manufacturing; Metal structure manufacturing; Special chemical product manufacturing (excluding dangerous chemicals); Special chemical product sales (excluding dangerous chemicals); Chemical product production (excluding licensed chemical products); Information security equipment sales; Chemical product sales (excluding licensed chemical products); Electronic product sales; Rail transit special equipment, key systems and parts sales; Railway locomotive vehicle parts sales; Railway transportation infrastructure equipment sales; Rail transit engineering machinery and parts sales; Special equipment sales; Computer software, hardware and auxiliary equipment retail; Industrial control computer and system sales; Gas, liquid separation and purification equipment sales; Metal material sales; Non-ferrous metal alloy sales; Metal ore sales; Lubricating oil sales; Surface functional material sales; Functional glass and new optical material sales; Coating sales (excluding dangerous chemicals); Technical services, technical development, technical consulting, technical exchange, technology transfer, technology promotion; Information system integration services; Software development; Integrated circuit design; Data processing and storage support services; Internet of Things technical services; Rail transit operation management system development; Information technology consulting services; Artificial intelligence application software development; Information system operation and maintenance services; Fire protection technical services; Special equipment repair; General equipment repair; Metal door and window engineering construction; Engineering management services; Internet of Things application services; Intelligent control system integration; Railway transportation auxiliary activities. Licensed projects: Civil air defense engineering protection equipment manufacturing; Civil air defense engineering protection equipment installation.