Chunghwa Post Co., Ltd. is the official postal service of Taiwan (officially the Republic of China). Chunghwa Post was a government agency of the Ministry of Transportation and Communications until 2003, when it was reorganized into a government-owned corporation. Origins of Chunghwa Post. The direct ancestor of Chunghwa Post is the Customs Post Office of the Qing Empire, established in 1878 by Li Hongzhang at the suggestion of the foreign powers, with branch offices in five major trading cities. On 20 March 1896, the Customs Post Office became the Great Qing Post, which in 1911 became independent of the customs service.Origins of Chunghwa Post.