The Suiyuan campaign was a Japanese attempt to increase the size of their puppet state of Inner Mongolia in 1936.
Inner Mongolia Inner Mongolian Army 1936 Commander in Chief - Demchugdongrub (with Japanese chief adviser Ryūkichi Tanaka) Teh Wang's personal troops Li Shouxin's Command: Li Shouxin 1st, 2nd, 3rd, 4th Cavalry Division and an artillery regiment (Jehol Mongols, Chahar Mongols) Bao Yueqing's Command: 5th, 6th, 7th, 8th Cavalry Division and an artillery regiment(Mongol irregulars and bandits) 9th Division (served as security guard division) total: 9,000–10,000 men Grand Han Righteous Army - Wang Ying 4 Brigades (6,000 men, Japanese trained Chinese soldiers and former bandits)
Japanese: 20-30 advisors with each Mongolian unit and Headquarters staff A few field artillery pieces and crews 30 armoured cars and tankettes and crews Crews and ground support for 28 planes
China
Suiyuan Provincial Forces 1936
1st Route Army - Fu Zuoyi 35th Army - Fu Zuoyi (concurrent) 211th Infantry Brigade 419, 421, 422 Infantry Regiments 218th Infantry Brigade - 420, 435, 436 Infantry Regiments 205th brigade (less 407th Regiment) 7th Independent Brigade - Ma Yanshou 10th Reserve Regiment 21st, 29th Artillery Regiment Antiaircraft battalion (less 1st and 3rd battery)
2nd Route Army - Tang Enbo (en route to Suiyuan) 13th Army, with the attached 72nd Division and the 27th Artillery Regiment.
3rd Route Army - (Garrison of Jinbei, Tianzhen, Gaoyang area) 68th Division - Li Fuying (concurrent) 24th Artillery Regiment 1st and 3rd batteries of the Antiaircraft battalion.
Cavalry Army - Zhao Chengshou assistant deputy commander - Men Bingyue 1st Cavalry Division - Peng Yubin 2nd Cavalry Division 7th Cavalry Division - Men Bingyue
Reserve Army - Wang Jingguo (Garrison of Zhusui, Baotou area) 70th Division - Wang Jingguo (concurrent) (Less 205th brigade, its 407th Regiment remained with the division) 8th Independent Brigade - Meng Xianji
References Jowett, Phillip S., Rays of The Rising Sun, Armed Forces of Japan’s Asian Allies 1931-45, Volume I: China & Manchuria, 2004. Helion & Co. Ltd., 26 Willow Rd., Solihull, West Midlands, England. 中国抗日战争正面战场作战记 (China's Anti-Japanese War Combat Operations) Guo Rugui, editor-in-chief Huang Yuzhang Jiangsu People's Publishing House Date published : 2005-7-1
Online in Chinese: https://web.archive.org/web/20090116005113/http://www.wehoo.net/book/wlwh/a30012/A0170.htm