Beijing-only refrigeration air conditioning equipment ltd. Is registered at nos. 31-422, yong loe avenue, tongzhou province, beijing. The registration authority is the market supervision authority, tongzhou district, beijing. The legal entity is represented by choi dong bo, and its operations include the sale of electrical equipment, air conditioning refrigeration equipment, temperature-conserving materials, general-purpose equipment, hardware exchange (other than electric bicycles), metal products, construction materials, household appliances, daily supplies, cultural supplies, mechanical equipment, plastics, instrumentation forms, technology promotion, technical advice, technical services, technology transfer, economic trade advice, professional contracting, road freight forwarding agents, goods import/export, technical import/export, brokering import/export, construction contract, repair of refrigeration equipment, construction design. (the subjects of the market shall, by law, freely choose to operate projects and carry out their activities; the design of construction works and projects subject to legal approval shall carry out their activities in accordance with the approved content, with the approval of the relevant sector; they shall not engage in activities in which the state and municipal industrial policy prohibits and restricts the operation of such projects