How many movies have Chiang Hsing-Lung and Wong Ka-Leung collaborated on?

They have worked on 9 movies together! Their first movie together was Crippled Avengers (1978) while their highest rated movie together was The 8 Diagram Pole Fighter (1984). They have not worked together since The 8 Diagram Pole Fighter (1984). They are most known for their action films together.