Shing, Tang Cheong: - Master C S Tang is a senior Xingyi Quan, Bagua Quan and Yi Quan expert and researcher from Hong Kong, known for the depth of his knowledge and his skill in the internal systems. He studied Xingyi Quan with several Masters of the old generation, and has made a special study of collecting and researching the ancient training manuals of various Chinese martial arts systems. He lives in Hong Kong.