1, all kinds of engineering construction activities must be approved according to law, and business activities can only be carried out after being approved by relevant departments. The specific business projects shall be subject to the examination and approval results.
2. General projects: technical services, technical development, technical consultation, technical exchange, technology transfer, technology promotion, information technology consulting services and information system integration services.
3, communication equipment manufacturing, communication equipment sales, communication equipment sales, communication equipment maintenance.
4, refrigeration, air conditioning equipment manufacturing; Sales of refrigeration and air conditioning equipment.
5. Sales of electronic products, manufacturing of transmission and distribution and control equipment, manufacturing of batteries, sales of mechanical parts and information security equipment.
6. Digital video surveillance system sales, digital video surveillance system manufacturing, information system operation and maintenance services, security technology prevention system design and construction services, and information consulting services do not include licensed information consulting services.
7. Project management services, engineering technology research and experimental development, and general cargo storage services do not contain dangerous chemicals and other items that need approval. Except for those that need approval according to law, contract energy management shall independently carry out business activities according to law with its business license.