Beijing weir central electric technology ltd. Is registered at 710th floor, building 2, 9nd street, haidry district, beijing. The registration authority is the market supervision authority of the haidian district, beijing city, with legal representatives, and operates in the areas of technology promotion, technology development, technical services, technical advice, technology transfer; sale of computers, software and assistive equipment, metal materials, cultural supplies, mechanical equipment, communications equipment, electronics, sports supplies, self-developed products, non-domestic refrigeration, air conditioning equipment, hardware exchange (other than electric bicycles), mechanical equipment; enterprise planning; computer animation design; economic trade consulting; computer system integration; and rental of mechanical equipment (other than car rental). (an enterprise shall, in accordance with the law, freely choose to operate its own projects and carry out its activities; an approved project shall, in accordance with the law, operate its activities in accordance with the approved content, subject to the approval of the relevant sector; and it shall not engage in activities in which the industrial policy of the municipality prohibits or restricts the operation of projects of its kind