How many movies have Song Wenxin and Zhao Hengduo collaborated on?

They have worked on 4 movies together! Their first movie together was Decisive Engagement: The Liaoxi Shenyang Campaign (1991) and was their highest rated movie together. They have not worked together since The Great Military March Forward: Pursue and Wipe Out in the South (1997). They are most known for their history films together.