Lan Ruile, engineer of the mechanical team of the maintenance department of Datang Yantan Hydropower Co., Ltd. As long as the generator, water turbine, governor and other mechanical equipment have problems, he can quickly determine the "crux" of the problem and get rid of it. Not only is he outstanding in "emergency", but also his many practical invention patents can ensure the continuous "health" of power generation equipment and extend the life of power generation equipment@ Guangxi Zhuang Autonomous Region Federation of Trade Unions