Battle of West Suiyuan

Battle of West Suiyuan
	Part of Second Sino-Japanese War
	; Chinese 35th Army
Date	January 1940 – February 1940
Location	Suiyuan
Result	Chinese withdrawal from many cities in West Suiyuan due to heavy casualties
Belligerents
Republic of China	Empire of Japan Mengjiang;
Commanders and leaders
Ma Hongkui; Ma Hongbin	Shigenori Kuroda
Strength
28,763 Chinese Muslim and Han Chinese troops All of them infantry and horse cavalry.	Thousands of Japanese and Mengjiang troops, with armoured cars, tanks in addition to air support by fighter bomber aircraft
Casualties and losses
According to commander Fu Zuoyi's report on 24th April 1940 : ; 2,129 killed; 1,767 wounded; 1,895 missing; ; According to history of the Anti-Japanese War :; 2,872 killed or wounded; 2,126 missing	Japanese Army claims : 160 killed, 461 wounded, 534 afflicted with frostbites.; Mengjiang Army : unknown

The Battle of West Suiyuan (simplified Chinese: 绥西战役; traditional Chinese: 綏西戰役; pinyin: Suíxī zhànyì) was part of the Second Sino-Japanese War. It was fought from January – February 1940, as part of the Chinese 1939 Winter Offensive.

The Japanese had tanks, armoured cars, tear gas and air supremacy with fighter bombers while the Chinese warlord armies involved had no airforce or equivalent armour.