How many movies have John Ching Tung and Ng Man-tat acted in together?

They have worked on 18 movies together! Their first movie together was Chinese Cop Out (1989) while their highest rated movie together was Tricky Brains (1991). They have not worked together since Crazy Drift Temporary Daddy (2012). They are most known for their action films together.

Role
Ultimate Tricky Expert
Role
Yan-Chi