The registration office is the market supervision authority of beijing city's hoangyang district, represented by legal person wang jie, and operates in the area of cultural and artistic exchange (excluding performances), exhibition performances, conference services, design, production, representation, advertising, market surveys, economic and trade advice, technology promotion services, investment advice, investment management, sale of handicrafts, stationery, stamp collections, design of crafts and fine arts, identification of cultural objects (without special approval, no identification of cultural objects may be carried out outside the country) and painting of words. (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 restricts such projects