塘沽協定
Huang was influential in winning over Feng Yuxiang and Yan Xishan to Chiang Kai-shek's faction of the Kuomintang (KMT) which was one of the major reasons why Wang Jingwei's Wuhan regime collapsed. He later served under several offices during the Nanjing decade including Shanghai mayor, foreign minister, and chairman of the North China Political Council. Despite his close ties to Chiang, he never rejoined the KMT as he did not want to be associated with the opportunists who joined during and after the Northern Expedition. In 1933, he signed the unpopular Tanggu Truce which ceded Chahar, Rehe, and part of Hebei to Manchukuo. Like Chiang, he viewed the Communists as a greater threat than the Japanese.