Our company set up an international sales headquarters in Changsha, China in 2009. Based in China, we have international operations in Southeast Asia, Europe, the United States, Africa and Russia, relying on existing core network simulation technology to manufacture old equipment and ODM. It is an excellent operation and maintenance service provider for communication engineering, network optimization and maintenance. Provide base stations, transmission, power supply, optical modules, cables, terminals and other old equipment for leading telecom operators in the region, supporting auxiliary materials as equipment renovation and integrated maintenance services. Service manufacturers include Nokia, Ericsson, ZTE, Bell, Alcatel, Nortel, Siemens, Lucent.