How many movies have Lu Qi and Xitian Liu acted in together?

They have worked on 6 movies together! Their first movie together was Decisive Engagement: The Liaoxi Shenyang Campaign (1991) while their highest rated movie together was Zhou Enlai (1992). They have not worked together since The Great Military March Forward: Fight for Nanjing, Shanghai and Hangzhou (1999). They are most known for their history films together.