Su Yuanchun, courtesy name Zixi was a Chinese general and statesman who was a fierce anti-French statesman. One of the main commanders behind the Sino-French War, he served as a general of the Xiang Army as well as a prominent politician in his home province of Guangxi.

The Battle of Bang Bo, known in China as the Battle of Zhennan Pass, was a major Chinese victory during the Sino-French War. The battle, fought on 23 and 24 March 1885 on the Tonkin-Guangxi border, saw the defeat of 1,500 soldiers of General François de Négrier's 2nd Brigade of the Tonkin Expeditionary Corps by a Chinese army under the command of the Guangxi military commissioner Pan Dingxin.