Zheng and Sang also secured the winning point against Denmark in the final of the 2004 Thomas Cup, to clinch China's first men's world team title since 1990.

His other mixed doubles titles, all in partnership with doubles maestro Gao Ling, include the 2006 Asian Games, the 2007 China Masters, the prestigious All England Open Championships in both 2007 and 2008; and the 2007 Japan, German, Korea, Malaysia, and the 2007, 2008 Indonesia Opens.

Zhang and Gao were the silver medalists behind Indonesia's Nova Widianto and Lilyana Natsir at the 2007 BWF World Championships in Kuala Lumpur.

They were upset in the round of 16 at the 2008 Beijing Olympics by former World Champions Nathan Robertson and Gail Emms.

Associated with Ma Jin, Zheng won the mixed doubles title at the 2010 BWF World Championships.