How many movies have Sompote Sands and Yodchai Meksuwan collaborated on?

They have worked on 3 movies together! Their first movie together was Hanuman and the Seven Ultramen (1974) while their highest rated movie together was Hanuman and the Five Kamen Riders (1975). They have not worked together since Computer Superman (1977). They are most known for their science fiction films together.