The registration address of the beijing luda roads experimental instrument limited is located at room 103, no. 620, building no. 19 of jiaang park, tongzhou city, beijing. The registration authority is the market supervision authority of the tunzhou district, beijing. The legal entity is represented by loubin, and its operations include the sale of mechanical equipment, electronics, instrumentation forms, teaching equipment, glass products, environmental equipment, hardware delivery, chemical products (without dangerous chemicals), groceries, valves, electrical cables, clothing shoes, needle textiles; import and export of goods; technology import and export; agency import and export; lease of mechanical equipment. (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