Hangzhou sodium exhibition exhibitions ltd. Is registered at 408 north dry street, golden city road, north shore, hangzhou city, zhejiang province; 2 2703 room-39 (self-declared); registered at hangzhou international business centre, 2 2703 room-39 (autonomous declarations); installation of environmental health services; engineering management services; cultural and entertainment broker services; planning and management of software development; technical services, technical advice, technical exchange, technology transfer, technical promotion; advertising advertising; designing design; brand management; designing of business images; professional design services; digital content production services (excluding publication); film production services; industrial engineering services; urban and city capability management; installation of environmental health services; engineering management services; cultural and relaying broker services; supplying and supplying of buildings and metals; supply services for manufacturing and supplying of buildings; supplying and supplying of plants and metals; supplying of engineering services; supplying and supplying of industrial metals and supply services; supplying and supplying of engineering services for the construction of buildings and construction and construction of buildings; supply and construction of in addition to projects subject to authorization under the law, activities are carried out autonomously in accordance with the law and in accordance with the operating licence). Licenced projects: construction works; construction engineering designs; interior decorating of houses; printing of specific printed materials; import and export of works of art; sale of food; electrical installation services; construction professional operations; construction supervision; printing binding services; printing of printed materials in packaging; printing of publications (project subject to approval by the relevant department, subject to the approval of the approval)。