How many movies have Mona Fong Yat-Wah and Tsui Ping-Kwong collaborated on?

They have worked on 38 movies together! Their first movie together was The Proud Twins (1979) 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.