王振忠,西昌卫星发射中心高级工程师。他从繁华的西安市来到深山峡谷,一呆就是二十多年。在他的人生历程中,对党的追求至今让他刻骨铭心。十几封入党申请书,饱含着这位农民的儿子对党的无限深情…… Wang Zhenzhong, Xichang Satellite Launch Center Senior Engineer. He came from the bustling city of Xian to the deep canyon, stay for more than 20 years. In his life course, the pursuit of the party so far let him unforgettable. More than a dozen applications for inclusion in the party are full of the peasant’s son’s profound affection for the party.