- Gu Zhenyu – Sun Style Xingyiquan application in conjunction with the five-element theory
Gu Zhenyu (顾振宇), a forth generation Sun Style Neijiaquan (Sun Lutang Style Internal Martial Arts) practitioner from Shanghai. Gu is a committee member of Sun Lutang’s Martial Arts Development Center of Shanghai, he obtained Sun Style boxing skills from Shen Daoxin (沈道信).