 Feng's subordinate Liu Yufen expelled all the Han generals who opposed him, which resulted in Hui Generals Ma Hongbin, Ma Lin, Ma Tingxiang, and Han Gen. Bei Jianzhang, the commander of a Hui army, to stop fighting against Feng and seek an agreement.In 1913 a Qinghai wool and hide bureau was established by Ma Qi.It put an export tax on the wool trade with foreigners.