Peiking – Suiyuan Railway Operation 1937 Taiyuan Pacification Headquarters – Yen Hsi – shan,[1] * 1st Cavalry Corps (temporarily attached) – Chao Cheng-shou * 1st Cavalry Division – Pen Yu-pin * 2nd Cavalry Division – Sun Chang-sheng * New 2nd Cavalry Brigade – Shih Yu-shan * 218th Inf. Bde – Tung Chi-wu * New 3rd Inf. Bde – Ching The-chuan * New 5th Inf. Bde – An Yung-chang * New 6th Inf. Bde – Wang Tse-hsiu * 6th Cavalry Division – Liu Tan-fu * 7th Cavalry Division – Men Ping-yueh * 7th Army Group – Fu Tso-yi * 7th Army Temporary Group – Fu Tso-yi (concurrent) * 72nd Division – Chen Chang-chieh * 7th Separate Brigade - Ma Yen-shou * 200th Brigade - Liu Tan - fu * 211th Brigade - Sun Lan-feng * 7th Army Group Detachment