How many movies have Yu-chai Chu and Yuen Siu-Tien collaborated on?

They have worked on 1 movie together! Their first movie together was Wong Fei-hung: The Whip That Smacks the Candle (1949) and was their highest rated movie together. They have not worked together since Wong Fei-hung: The Whip That Smacks the Candle (1949).