How many movies have Hsin Shu-Fen and Liao Ching-Sung collaborated on?

They have worked on 4 movies together! Their first movie together was The Time to Live and the Time to Die (1985) while their highest rated movie together was Dust in the Wind (1986). They have not worked together since Daughter of the Nile (1987). They are most known for their drama films together.