How many movies have Augusto Salvador and Romy G. Yalung collaborated on?

They have worked on 4 movies together! Their first movie together was Kapag Buhay Ang Inutang (1983) while their highest rated movie together was Sigaw ng Katarungan (1984). They have not worked together since Moises Platon (1988). They are most known for their action films together.