Li Deyin – Xingyiquan Instructional 02
- Li Deyin – Xingyiquan Basic Part 03 – Dingbu Piquan (Fixed-Step-Splitting-Fist)
- Li Deyin – Xingyiquan Basic Part 04 – Huobu Piquan (Life-Step-Splitting-Fist)
Li Deyin (李德印, 1938 – ), form Heibei Province, was born in a martial arts family. Li trained martial arts at very young age, under the supervision of his grandfather Li Yulin (李玉琳, 1885 – 1965, student of Li Cunyi, Sun Lutang, Yang Chengfu and Li Jinglin) and his uncle Li Tianji (李天骥, 1914 – 1996). Li Deyin has participated in the composition works of 42-Form-Taijiquan, 48-Form-Taijiquan, Competitive Taijiquan Routine and Competitive Taiji Sword Routine.