How many movies have Ben Ng Ngai-Cheung and Bobby Au-Yeung acted in together?

They have worked on 2 movies together! Their first movie together was The Eternal Evil of Asia (1995) while their highest rated movie together was O.C.T.B. Case - The Floating Body (1995). They have not worked together since O.C.T.B. Case - The Floating Body (1995).