How many movies have Cho On-Sun and Mona Fong Yat-Wah collaborated on?

They have worked on 8 movies together! Their first movie together was Challenge of the Gamesters (1981) while their highest rated movie together was The 8 Diagram Pole Fighter (1984). They have not worked together since Disciples of the 36th Chamber (1985). They are most known for their action films together.