How many movies have Choi Kwok-Keung and Mona Fong Yat-Wah collaborated on?

They have worked on 7 movies together! Their first movie together was The Magnificent Ruffians (1979) while their highest rated movie together was Buddha's Palm (1982). They have not worked together since My Name Ain't Suzie (1985). They are most known for their action films together.