How many movies have Sunit Asavinikul and Thornthum Phlongphlab collaborated on?

They have worked on 6 movies together! Their first movie together was Oh My Ghost 2 (2011) while their highest rated movie together was Oh My Ghost 3 (2012). They have not worked together since Make Me Shudder 2: Shudder Me Mae Nak (2014). They are most known for their horror films together.