Energy saving management services, operational efficiency assessment services, contract energy management, energy storage technology services, doors and windows manufacturing and processing, refrigeration, air-conditioning equipment manufacturing, general equipment manufacturing (excluding special equipment manufacturing), oil refining, chemical production specialised equipment manufacturing, household appliances manufacturing, environmental protection specialised equipment manufacturing, sales of special equipment, Internet of Things technology services, network technology services, technology services, technology development, technology consulting, technology exchange, technology transfer, technology promotion, engineering and technical services (except for planning and management, survey, design and supervision), technology import and export, industrial Internet data services, services related to agricultural production and operation such as technology, information, facility construction and operation, human resources services (excluding job intermediary activities and labour dispatch services), resource recycling technology research and development, special equipment manufacturing (excluding licensed professional equipment manufacturing), labour services (excluding labour dispatch), software development, resource recycling services, technical consulting, information technology consulting services, information system operation and maintenance services, network and information security software development, information consulting services (excluding licensed information consulting services), integration of intelligent control systems, digital technology services, sales of special-purpose chemical products (excluding hazardous chemicals), intelligent Home Consumer Equipment Sales, Engineering Management Services, Internet of Things Technology Research and Development, Refrigeration and Air Conditioning Equipment Sales, Mechanical and Electrical Equipment Manufacturing, General Equipment Repair, Solar Thermal Utilisation Equipment Sales, Professional Janitorial, Cleaning and Disinfection Services, Software Sales, Internet of Things Equipment Sales, Leasing Services (excluding licensed leasing services), Computer Hardware, Software and Peripheral Equipment Manufacturing, Computer Hardware, Software and Auxiliary Equipment Retailing Wholesale of computer hardware and software and auxiliary equipment, metal door and window engineering construction, metal products sales, metal products research and development, metal structure manufacturing, metal structure sales, construction materials sales, metal products repair, special equipment repair, electrical equipment repair, traffic facilities repair, mechanical and electrical equipment sales, Internet of Things application services, intelligent agriculture management, fire protection technology services, fire equipment sales, security, fire protection Manufacture of metal products, design and construction of security technology prevention systems, installation of general mechanical equipment, installation and maintenance of industrial robots, installation of household appliances.