Huimingjie participated in the construction of the district/county civil air defense mobile command and communication system of Xianyang Civil Air Defense Office, and purchased three sets of 4G vehicle mounted image transmission equipment. Cooperate with the integrated use of the on-board equipment of the communication command vehicle, quickly collect the audio and video information of the task site, and transmit it to the command platform in real time through the public network for unified command and dispatching. By promoting the construction and application of the informatization of the district/county civil air defense mobile command and communication system of the Xianyang Municipal Civil Air Defense Office, improving the on-site command ability to handle all kinds of emergencies (incidents) and carry out special actions, it can provide direct real-time image information for on-site command, provide fast and efficient audio and video communication guarantee for the command and dispatching of organs at all levels, and improve the emergency actual combat command ability to a new level.