Yaxinya martial arts school is quite good. His family has a strong faculty, and he is often a master-head coach. Chang Chang is a master of profound kung fu. He used to be the head of Liaoning Qigong Regiment, the general consultant of Guizhou Military Region Security Company, the head coach of Wushu Qigong of Anshan Public Security Bureau, Liaoning Province, and the honorary president of Chengdu Shaolin Kung Fu Special Training College. I have decades of teaching experience.