How many movies have Danny Chan Kwok-kwan and Lee Pik-Kwan collaborated on?

They have worked on 5 movies together! Their first movie together was Young and Dangerous 3 (1996) while their highest rated movie together was Ip Man 4: The Finale (2019). They have not worked together since Ip Man 4: The Finale (2019). They are most known for their action films together.