At 23:59 on December 18, 6Level 2**. After the occurrence, the Ministry of Industry and Information Technology responded quickly and acted quickly, organizing the Communications Administration of Gansu and Qinghai Provinces, as well as China Telecom, China Mobile, China Unicom, China Tower and other enterprises to carry out first-class scheduling, verify and judge the operation of the communication network and the damage to the communication facilities in the disaster area, and command and assemble emergency communication forces to go to the front line of the disaster area overnight. The communications administrations of Gansu and Qinghai provinces immediately activated emergency plans and organized the local information and communication industry to quickly carry out emergency communication repairs to ensure the safety and smoothness of the lifeline, support line and command line for earthquake relief.
As of 14:00 on December 19, the information and communication industry has dispatched a total of 894 support personnel, 217 emergency vehicles, 422 power generators, 32 satellites, and 3.55 million early warning text messages. 279 of the 314 base stations that have been decommissioned due to power interruptions have been repaired and restored, and 2 interrupted communication optical cables have all been rushed through. Currently,The public communication network in the affected areas has largely returned to normal
The following is a summary of the earthquake relief efforts of China Telecom, China Mobile, China Unicom and China Tower.
China Telecom
*After the incident, China Telecom quickly activated the emergency response mechanism, dispatched quickly, and went all out to continue to carry out post-earthquake communication support.
China Telecom Gansu Company urgently organized Linxia and Lanzhou branches to carry out emergency communication support work. As of 17:00 on December 19, China Telecom Gansu Company has dispatched a total of 160 emergency repair personnel and 28 support vehicles, including 2 emergency support vehicles, 22 emergency repair vehicles, and 42 diesel enginesAfter an uninterrupted battle at low temperature overnight, a total of 33 base stations in the affected area of Jishi Mountain, Linxia Prefecture, Gansu Province have returned to normal.
In Qinghai, Haidong Minhe and other places in Qinghai Province were affected by the ** disaster, and some base stations were withdrawn. Under the full repair of China Telecom, as of 14:50 on December 19, all 21 base stations in Haidong City have been restored. 
In Xinjiang, after the occurrence of the Kizil Suzhou **, China Telecom Kezhou Branch quickly launched the ** emergency response, dispatched 20 communication support personnel, 6 emergency communication vehicles, 3 generators, and 2 satellites, and waited for the unified command and dispatch of the earthquake relief headquarters office to ensure the normal operation of the communication line. After investigation, the network in the affected area is running normally, and the business is running normally. China Telecom will make every effort to ensure communication emergency response and disaster services according to the disaster situation. 
At the same time, China Telecom Satellite Corporation immediately launched the emergency plan to strengthen the resource guarantee of the Tiantong beam in the coverage areaUrgentOpened Tiantong intelligent scheduling platformto ensure that the use and location of satellites in Gansu can be accurately and realistically tracked100 satellite terminals, a high-throughput portable station and three experts were urgently allocated to GansuSatellite terminals in Beijing, Shaanxi, Sichuan and other surrounding regions are on standby and ready to be deployed for support.
China Mobile
After the disaster, China Mobile immediately activated the emergency plan and dispatched an emergency communication support team to provide communication support to the affected areas. Up to now, China Mobile has dispatched a total of 323 support personnel, 86 vehicles, 115 diesel engines, and 65 base stations for emergency repair and restoration.
*Caused damage to some infrastructure such as water, electricity, transportation, and communications. China Mobile Gansu immediately activated the emergency communication support response mechanism, and dispatched the first rescue team to the disaster area at 0:30 a.m. on December 19. 
It is reported that the ** cumulative caused by 62 mobile communication base stations in Gansu to retire, up to now, China Mobile Gansu Company has dispatched a total of 210 personnel, 48 emergency repair vehicles, 5 support vehicles, 94 oil engines, after a night of emergency repair, successfully rushed through 35 base stations, the affected area network operation is basically normal. At the same time, China Mobile Gansu Company has targeted Jishishan County 1460,000 mobile subscribers are provided with downtime-free service. **After the incident, some areas near the epicenter of Qinghai Province were affected, and Xunhua, Minhe, Hualong and other counties were affected. China Mobile Qinghai Company immediately launched the emergency communication support plan, set up a temporary emergency communication headquarters, dispatched the emergency rescue work in the province at the first time, and quickly deployed to carry out communication rescue. Up to now, China Mobile Qinghai has dispatched a total of 113 personnel, 33 vehicles, 21 diesel engines and 7 satellites. 
At present, the anti-seismic communication work is progressing in an orderly manner. China Mobile said that it will continue to follow up and understand the disaster situation, do a good job in follow-up emergency communication support, and maintain close contact with the local government, arrange maintenance personnel to inspect and on-site duty the surrounding base stations and transmission lines, ensure the normal operation of the communication network, and overcome the difficulties with the people in the disaster area. May the compatriots in the earthquake area be all well, may they be safe!
China Unicom
After the disaster, China Unicom Group attached great importance to it, and asked the relevant provincial branches to make every effort to do a good job in the communication support work in the earthquake area, and deployed Sichuan and Shaanxi provincial branches to prepare for the support of equipment teams such as diesel power generation, optical cable repair, and satellite vehicles. 
China Unicom Gansu Branch and Qinghai Provincial Branch immediately launched an emergency communication support response and rushed to the scene to carry out rescue and disaster relief work as soon as possible. 
As of 17 o'clock on December 19th, China Unicom's base stations in Gansu and Qinghai have all returned to normalA total of 140 support personnel, 29 support vehicles, 29 oil engines, and 13 satellites have been dispatched. In addition, China Unicom Beijing Branch supported China Unicom Qinghai Branch to open a satellite emergency circuit. At present, the China Unicom mobile network and fixed-line voice data service tests in the earthquake areas of Gansu and Qinghai are normal, and the communication of important parts of the party, government and military in the affected areas is smooth, and the public communication is stable as a whole, and there is no complete blockage of communication in towns and villages.
In addition, China Unicom Software Research Institute quickly docked with China Unicom Gansu and Qinghai Provincial Branches, determined the downtime-free communication guarantee plan in the disaster-stricken areas, and made every effort to ensure the smooth communication of the masses, as of 17 o'clock on December 19th, it has been fully provided with downtime protection for all users in Linxia Prefecture, Gansu, and added downtime-free processing for about 40,000 users who roamed in Minhe County, Xunhua County, and Hualong County, which were seriously affected by the first in Qinghai. At the same time, an emergency response team has been urgently set up to keep abreast of the communication situation in the affected areas, support the special information control needs of the affected areas in real time, and escort the smooth communication network in the disaster areas. China Tower
In Gansu, after the disaster, China Tower Gansu Branch immediately launched the second-level emergency response, the main person in charge rushed to the disaster area overnight to command and dispatch, set up a first-class rescue emergency command at the scene, and set up an emergency rescue team, a base station maintenance group, a foreign affairs coordination and docking group, a logistics support group, and an information reporting group, rushed to the scene in batches, and urgently coordinated the three surrounding city branches to rush to the rescue overnight. The relevant personnel of Linxia Branch also performed their duties, and went to the front-line command center, the epicenter disaster area and the monitoring center to coordinate and dispatch, and in-depth docking with the provincial and municipal levels of the operator, coordinate the surrounding support resources, unify command and dispatch, and jointly carry out support to ensure the smooth operation of the communication network.
Since the epicenter of the earthquake is 5 kilometers away from the provincial border of Qinghai Province, Minhe, Xunhua and other places in Haidong, Qinghai were affected by the disaster and the earthquake was strongly felt. **After the accident, China Tower Qinghai Branch acted quickly, and the leaders rushed to the monitoring center overnight to fully command the emergency support work. After comprehensive research and judgment, the emergency communication support level was upgraded to a level of response. This ** led to power outages at 138 communication base stations in Haidong City, Qinghai Province and Huangnan Prefecture, and the operator's transmission optical cables were damaged to varying degrees. After close coordination with the first department and the three operators, in accordance with the principles of "first rush and then repair" and "safety first", the guarantee was organized overnight.
At the same time, China Tower communicated with the China ** Bureau and the Gansu Provincial ** Bureau for the first time, and confirmed that there were 71 ** monitoring and early warning "general stations" built and operated by China Tower within 50 kilometers of the epicenter.