Zhu was a longtime member of the Chinese national team. Zhu was the best 3-point shooter on the team, helping the squad win gold at the 2006 Asian Games and 2010 Asian Games, as well as the 2011 FIBA Asia Championship. He also played on Chinese squads that competed in the 2004, 2008, and 2012 Summer Olympics, along with the 2002 and 2006 FIBA World Championships.