How many movies have Yang Guangyuan and Zhao Hengduo collaborated on?

They have worked on 6 movies together! Their first movie together was 琵琶魂 (1982) while their highest rated movie together was Decisive Engagement: The Liaoxi Shenyang Campaign (1991). They have not worked together since The Great Military March Forward：Engulf the Southwest (1998). They are most known for their war films together.