Ningbo Ingo Electronic Technology Co.,Ltd. Chengdu-Chongqing railway section of road involved in the design part of the fiber access, digital program-controlled telephone network scheduling,

A variety of ways and speed data exchange network, high-capacity small Bureau automatic switching network, convenient and flexible audio line network, the new network management dimension

Protection area delineation. Chengdu-Chongqing line beginning and ending: Northwest from Chengdu, Sichuan Province, Chongqing Municipality to the southeast. Line: length 505 km. A total of 60 stations.