Beijing Metro Daxing Line

Maintenance range:

1.routine maintenance of system equipment;

2.periodic overhaul of system equipment;

3.troubleshooting / repair of system equipment;

4.on-site technical support services during major national and municipal events

5.provide on-site technical support service during operation 6.period specified by the purchaser;

7.Others include but not limit to the cooperation work such as data configuration and the wiring adjustment when system equipment demands increasing during operation period