How many movies have Norman Tsui Siu-Keung and Oscar Lam Wai-Kin acted in together?

They have worked on 3 movies together! Their first movie together was Tiger on the Beat 2 (1990) while their highest rated movie together was The Forbidden Legend: Sex & Chopsticks 2 (2009). They have not worked together since The Forbidden Legend: Sex & Chopsticks 2 (2009). They are most known for their comedy films together.