 Zhou's intelligence agents penetrated the Sichuanese army of General Deng Xihou, resulting in Deng's secret agreement to supply ammunition to the Communist New Fourth Army.Zhou convinced another Sichuanese general, Li Wenhui, to covertly install a radio transmitter that facilitated secret communication between Yan'an and Chongqing.Zhou befriended Zhang Zhizhong and Nong Yun, commanders in the Yunnan armed forces, who became secret CCP members, agreed to cooperate with the CCP against Chiang Kai-shek, and established a clandestine radio station that broadcast Communist propaganda from the provincial government building in Kunming.