Nine Gates Infantry Commander
The Nine Gates Infantry Commander (Chinese: 步軍統領/九門提督; pinyin: bùjūn tónglǐng/jiǔmén tídū) was a military appointment used in the Qing dynasty (1644–1912) of China. The officer holding this appointment was in charge of safeguarding and monitoring traffic, and overseeing the opening times of the nine gates of the imperial capital, Beijing.
Source: Wikipedia — Nine Gates Infantry Commander (CC BY-SA 4.0)