Wu started his professional career with Chinese Jia-B League side Zhejiang Greentown in 2002.
He made an impression within the team in the early years as Zhejiang Greentown won promotion to the first tier at the end of the 2006 season.
He joined Scottish side Forfar Athletic in 2009 forming a partnership with Charlie Adameno known as "The Dream Ticket".
He was a substitute player when Zhejiang Greentown played in the Chinese Super League and was released in January 2012 after Takeshi Okada became the head coach of the club.
In January 2014, Wu returned to Hangzhou Greentown after Okada left the club.