China electric construction (beijing) electrical equipment science and technology ltd. Is registered at the 9th floor of wangyang street, beijing city house, on the 1st floor of 119th floor. The registration authority is the beijing city housing mountain market supervision authority, representing xue, and operates in the areas of technology development, technology promotion, technology transfer, technical advice, technical services; sales of electrical equipment, mechanical equipment, electronics, power supply equipment, instrumentation, air conditioning refrigeration equipment, hardware products (other than electric bicycles), cultural supplies, computers, software and assistive equipment; building cleaning services; computer systems services; and maintenance of office equipment. (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