How many movies have Jacky Cheung Hok-Yau and Wong Jing collaborated on?

They have worked on 11 movies together! Their first movie together was Vampire Buster (1989) while their highest rated movie together was To Live and Die in Tsimshatsui (1994). They have not worked together since From Vegas to Macau III (2016). They are most known for their comedy films together.