On July 30, 1923, Sun Yat-sen, Song Chenglong, and Sun Yat-sen produced the first aircraft on their own. On July 30, 1923, Sun Yat-sen and Song Chenglong produced the first double-layer spiral-covered aircraft by the Guangdong Aircraft Manufacturing Factory. In the beginning of the year, the Guangdong Revolutionary Government, in order to strengthen the construction of the Air Force, specially set up the Air Force. Sun Yat-sen, in the name of the Great Marshal, appointed Yang Yat-sen as Director of Aircraft. Yang followed Sun Yat-sen¡¯s development of Aircraft must first develop the aircraft manufacturing industry, and immediately after his tenure in Guangzhou, Hong Kong, founded the Guangdong Aircraft Manufacturing Factory. This was the second time after