How many movies have Chow Siu-Loi and Gwan Jing-Leung acted in together?

They have worked on 9 movies together! Their first movie together was The Story of Wong Ang the Heroine (1960) while their highest rated movie together was Madam White Snake (1962). They have not worked together since An Old Kung Fu Master (1981). They are most known for their action films together.