Lu Yongxiang (2nd L), vice-chairman of the Standing Committee of the National People's Congress, and Huang Mengfu (2nd R), vice chairman of the National Committee of the Chinese People's Political Consultative Conference, unveil a commemorative envelope which will be jointly released by China Post and the State Post Bureau on July 1 to celebrate the 90th founding anniversary of the Communist Party of China (CPC), in Beijing, capital of China, on June 30, 2011. The envelope's front side features Chinese characters written by Chinese President Hu Jintao, which means "the 90th anniversary of the founding of the CPC".