The registration address of beijing star-tech is located at 86-n274 changyang road in beijing city house, with legal representatives from beijing city housing mountain market supervision authority, including technology development; technical advice (except for intermediaries); technology transfer; technology diffusion; technical services; software development; computer system services; professional contracting; computer system integration; sale of computers, computer software and assistive equipment, communications equipment (other than satellite receiving equipment), mechanical equipment and accessories, electronics, instrumentation meters, cultural sports supplies (other than audio-visual products) and household appliances. (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