Shapingba doesn't know. There is a good teacher in Yuzhong District. Huang Zaolin studied Tai Ji Chuan in Chenjiagou, the birthplace of Chen family in Tai Ji Chuan. Now he teaches boxing at Chaotianmen Gate and Antarctic Gate, and also founded a health pavilion. I study under his door. You can watch his video. He is a very good teacher, very cultured and meaningful. You can contact me if you want to learn.