Category 45 refers to "scientific and technical services and related research and design services; industrial analysis and research services; design and invention services; scientific and technological information release and transmission services; non-commercial technical consulting and technical assessment services; providing technical legal consultation and other professional technical consulting services." The following are the specific details in the 45 categories:

1. Scientific research, industrial analysis, computer research and design, and engineering technical consulting, testing and research services;

2. Scientific and Technical information services, technical consulting and technical research services;

3. Provide scientific business consulting to others and make recommendations for the design and development of data processing and computer hardware;

4. Home computer programming;

5. Electronic computer software development and design services;

6. Environmentally friendly scientific and technical consulting services;

7. Provide technical consulting services for oil exploration, processing and extraction to other companies;

8. Provide scientific and technical consulting, industrial research and development services to automobile and aircraft manufacturers;

9. Provide scientific research and invention services to drug and medical device manufacturers;

10. Provide engineering technology assessment and observation services to other people/organizations;

11. Provide construction Technical consulting and construction supervision services.