2. China Mobile Tietong, headquartered in Beijing, is a wholly-owned subsidiary of China Mobile Communications Group. It is a specialized company based on the development chain of China mobile business, adhering to the strategic vision of "moving to change life" and the concepts of "quality is the lifeline of enterprises" and "customer first and service first". Tietong's main business scope includes technical development, transfer, consultation and service of communication technology, information system and computer software and hardware; Construction project management; Computer system services; Lease communication equipment and instruments; Sales of communication equipment and instruments; Communication equipment maintenance; Technical inspection.