There are three people named Chen Jianguo just in our village.
Tips
culture
建国 ('build the nation') is one of the most stereotypically Mao-era given names, along with 建军, 援朝, 卫东. The combination 陈建国 is so common it has become shorthand for 'generic middle-aged Chinese man' in internet humour.
history
Peak years for naming boys 建国 were 1949–50 (PRC founding) and the 1960s. Today the name reads as unmistakably retro.