How many movies have Umin Boya and Wei Te-sheng collaborated on?

They have worked on 5 movies together! Their first movie together was Warriors of the Rainbow: Seediq Bale - Part 1: The Sun Flag (2011) while their highest rated movie together was Warriors of the Rainbow: Seediq Bale - Part 2: The Rainbow Bridge (2011). They have not worked together since BIG (2023). They are most known for their drama films together.