2019-03-01chairman yuan yanfeng was awarded the ti2019-02-21the statistics bureau of shaanxi provinc2018-12-27chairman yuan yanfeng was awarded the ti2018-12-19the academician workstation of the compa2018-05-18shaanxi provincial state taxation bureau2018-02-01chairman yuan yanfeng attended the first2017-10-15yan’an fifth “shuangfeng cup”college