Sun Chuanfang
In the spring of 1925, with the consent of Zhang Zuolin and Zhang Xueliang, He Zhuguo planned to study in the Japanese Army University. Before his departure, he went to Beijing to visit Jiang Dengxuan and Han Linchun, the commander and deputy commander of the Xuanfu Army. Jiang Dengxuan and Han Linchun convinced He Zhuguo to abandon plans to study in Japan, and appointed him the Xuanfu Army combat section chief of staff. The Xuanfu Army advanced all the way to Bengbu, Anhui, But within half a year, the communication lines were intercepted by Sun Chuanfang and Chen Tiaoyuan, and Feng Jun was forced to withdraw to the northeast.