The registration address of tianjin exhibitions technology ltd. Is located at 168 wanghai international apartment on the street of shinjo in the northern district of tianjin city, with 3-1-902 registration authorities being the market supervision authority of the northern district of tianjin city, with legal representatives operating in the general morning of the day, including: technical services, technical development, technical advice, technical exchange, technology transfer, technical promotion; conference and exhibition services; 3d printing services; professional design services; advertising; advertising, design, agency; graphic design; software development; software development; software sales; project planning and public relations services; digital technology services; digital content production services (other than publication); digital creative product exhibition services; application services for digital cultural creative content; enterprise management consultancy; health advisory services (other than diagnostic services); consulting and planning services; enterprise image planning; arts and crafts and collections (other than ivory and its products); sale of furniture; sale of plastics; sale of toys; sale of office supplies; sale of building materials; sale of teaching equipment; model and teaching materials; retail services for cultural and information technology exchange; commercial services; commercial services for the rental of green arts; and telephone services. (a) licensing projects (in addition to projects subject to legal authorization, which operate autonomously on the basis of a business licence): restoration, reproduction and reproduction of the collection of cultural objects. (a project subject to legal approval may only be carried out with the approval of the relevant department, subject to the approval documents or licences of the relevant department)