The registration address of the beijing great wall is located at no. 101, yang song town street, huairou district, beijing. The registration authority is the market supervision authority of huairou district, beijing. The legal entity is represented by sang wai, and its operations include the sale of lubricating oil, mechanical equipment, electronics, handicrafts, daily supplies, office supplies, software development, computer system services, product design, computer graphic design, production, organization of cultural and artistic exchanges (without performances), technology development, technical advice, technology transfer, technology diffusion, technical services. (the subject of the market may, in accordance with the law, freely choose to operate projects and carry out business activities; projects which are subject to legal approval and which are subject to the approval of the relevant sector; and activities in which the state and municipal industrial policy prohibits and rest...