Before revision: Dao Yin Yang Sheng Gong is a form of Qigong system originated in China by Zhang Guangde, a Chinese martial artist and a former professor at the Beijing Sport University.
After revision: Professor Zhang Guangde, the originator of the Dao Yin Yang Sheng GongDao Yin Yang Sheng Gong is a form of Qigong system originated in China by Zhang Guangde, a Chinese martial artist and a former professor at the Beijing Sport University.