Liu Guoliang, a correspondent with Wang Pengyu, a reporter from China Power News Network, reported that "now, as long as we have a three defense tablet computer in the line patrol, all the information of line tower equipment has been digitized. It's convenient to query and enter, and you don't need to sort out the equipment account after patrolling back to the company. Intuitively and accurately, the work will be completed on site. " On November 5, Li Jinlong, an employee of the transmission inspection office of State Grid Heilongjiang Electric Power Co., Ltd., was carrying out inspection work on the transmission line with the terminal of intelligent inspection mobile application system (hereinafter referred to as "intelligent inspection app").