The registration address of beijing-change science and technology ltd. Is located at 18-d1269, construction road, leung street, located in the mountains of beijing, with the registration authority being the market supervision authority of beijing-based housing mountain, with representation from legal persons, including technical development and technical services; import/export of goods, export/import of technology (except for goods and technologies which are prohibited by the state or are subject to administrative approval), import/export of agents; product design; model design; organization of cultural and artistic exchange activities (except for performances); design of exhibition halls; decoratorial design; design of crafts and crafts; design of sculptures; design of computer animations; design, production and production of computer graphics; software development; market investigation; design, production, agency, advertising; enterprise management; conference services; hosting and displaying of exhibitions; packaging services; translation services; typing, photoprinting services; sale of crafts, minor accessories, cultural supplies (except for audiovisual products), jewellery, computer software and support equipment; and public relations services. (an enterprise shall, in accordance with the law, freely choose to operate its own projects and carry out its activities; an approved project shall, in accordance with the law, operate its activities in accordance with the approved content, subject to the approval of the relevant sector; and it shall not engage in activities in which the industrial policy of the municipality prohibits or restricts the operation of projects of its kind