The Battle of Jiuquan took place over 2 months from 7 February to 22 March, 1447 near the Chinese City of Jiuquan. The Battle was a turning point of Esen's invasion of China and successfully ended the invasion.
This Chinese Victory successfully secured China's boders and paved way for its later expansion
Esen's cavalry army, following the victory at Hami progressed to Jiayu, where they would be able to then capture Jiuquan and intercept the silk road. However, it was all but a trap of China, who is busy mobilizing troops to Jiuquan.
Battle of Jiayu