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 a...