How many movies have Sutthipong Sitthijamroenkhun and Yongyoot Thongkongtoon collaborated on?

They have worked on 3 movies together! Their first movie together was The Iron Ladies (2000) while their highest rated movie together was M.A.I.D. (2004). They have not worked together since M.A.I.D. (2004). They are most known for their comedy films together.