How many movies have Aai Dung-Gwa and Chiang Hsing-Lung collaborated on?

They have worked on 9 movies together! Their first movie together was Mr. Funny Bone (1976) while their highest rated movie together was The 36th Chamber of Shaolin (1978). They have not worked together since Mercenaries from Hong Kong (1982). They are most known for their comedy films together.