On March 2 the Japanese 4th Cavalry Brigade encountered resistance from the forces of Sun Dianying, and after days of fighting took over Chifeng. Sun Dianying mounted a counterattack against the Japanese 6th Division on the same day, and at one time penetrated to near the Japanese headquarters. On March 4 Japanese cavalry and the 1st Special Tank Company with Type 89 Tanks.[2] took Chengde, the capital of Rehe.