2. Services include software and information technology services, information transmission, storage and postal services, leasing, scientific research and technical services, financial services, water conservancy, environment and public facilities management, residents' services, repairs and other services, education, health and social work, culture, sports and entertainment, public management and transportation.

3, as well as social security and social organizations, agriculture, forestry, animal husbandry and fishery services, mining auxiliary activities in mining industry, metal products industry, machinery and equipment repair industry in manufacturing industry, accommodation and catering industry, international organizations, etc.