How many movies have Poon Hang-Sang and Tony Ching Siu-Tung collaborated on?

They have worked on 6 movies together! Their first movie together was Peking Opera Blues (1986) while their highest rated movie together was A Chinese Odyssey Part One: Pandora's Box (1995). They have not worked together since A Chinese Odyssey Part One: Pandora's Box (1995). They are most known for their action films together.