 In 1948, the school was named East China Post and Telecommunications School in Yidu ( Qingzhou ) and was affiliated with the East China Post and Telecommunications Administration .August 1949, the school from Shandong Jinan moved to Nanjing City.In December 1950, the school was expanded to become the Nanjing Post and Telecommunications School directly under the Ministry of Posts and Telecommunications, which also held secondary professional and higher professional classes .