The registration address of beijing aerospace mechanical equipment ltd. Is located at 18th-d8617 construction road, leung succubus street, located in beijing city house, and is the beijing city housing mountain market supervision authority, with legal representatives standing on the road and covering the sale of mechanical equipment, automation equipment, electric tools, hardware exchange (other than electric bicycles), metal products; rental of mechanical equipment; import and export of goods (other than state trade management goods), import and export of technology, import and export of agents; software development; basic software services; application services; computer systems services; technology development, technical advice (other than intermediaries), technology transfer, technology extension, technical services. (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