How many movies have Lau Gai-Sing and Mona Fong Yat-Wah collaborated on?

They have worked on 28 movies together! Their first movie together was Masked Avengers (1981) while their highest rated movie together was Hong Kong Playboys (1983). They have not worked together since My Name Ain't Suzie (1985). They are most known for their action films together.