2.1）If the system collapse of the situation, Beijing dark blue Rongxin engineers received the report of users within half an hour after a telephone response or online support services. And the fastest way to the scene to provide users rushed to the scene maintenance services.
2.2）If the non-system collapse to happen, Beijing dark blue Rongxin engineers after receiving the report from within the half-hour telephone support services, and in accordance with user requirements and the actual situation at the scene to provide maintenance services.
