وكالة أنباء شينخوا
After the founding of the People's Republic of China (PRC) in 1949, Mu was promoted to a senior level in the Xinhua News Agency. In 1951, Mu was given the title of Vice President for the Xinhua Headquarters in Beijing. Later in 1955, he moved from the Headquarters to the Xinhua News Agency main office in Shanghai, where he was President for the next three years.