How many movies have Chedpong Laoyant and Pen-Ek Ratanaruang collaborated on?

They have worked on 8 movies together! Their first movie together was 6ixtynin9 (1999) while their highest rated movie together was Folklore: Pob (2018). They have not worked together since Folklore: Pob (2018). They are most known for their drama films together.