Battle of West Suiyuan

The Battle of West Suiyuan () was part of the
Second Sino-Japanese War. It was fought from January – February 1940, as part of the Chinese 1939 Winter Offensive.
Battle.
Chinese Generals Ma Hongkui and Ma Hongbin defended west Suiyuan, particularly Wuyuan in 1940 against the Japanese. Ma Hongbin commanded the 81st corps and sustained heavy casualties, but eventually repulsed the Japanese and defeated them.
Japan used poison gas against Chinese Muslim armies at the Battle of Wuyuan and Battle of West Suiyuan.