How many movies have Charoen Iamphungporn and Somkiat Kunanitipong collaborated on?

They have worked on 12 movies together! Their first movie together was Boonchu 1 (1988) while their highest rated movie together was Boonchu 2 (1989). They have not worked together since Boonchu 9 (2008). They are most known for their comedy films together.