China striker Dong Fangzhuo and English Premier League club Manchester United have signed a new contract which will assure the 21-year-old is tied to the club until 2010, Xhinhua reported. Dong has been on loan at Belgian side Royal Antwerp since he joined the Red Devils in January 2004. The rising star, who is to wear the No. 21 shirt, will be United's first Chinese player, but it is unclear when he will make his debut. At Antwerp, Dong scored 35 goals in 61 games. Dong has also played on United's last two preseason tours, scoring in July's 1-0 win over the Kaizer Chiefs in South Africa.