Boss Alan Pardew needs to sell before he can buy and is interested in Reading defender Sam Sodje, who was on loan at The Valley last season.

But Zheng, at the Olympics in his homeland, will not be going anywhere until Pardew feels they have a fair price for the 27-year-old.

"There will be some movement before the transfer window shuts. I feel we do need two or three more players but whether we can get those in at the rates we want remains to be seen," he told the club's official website. "A club has tabled a bid for Zheng Zhi but it's not to our valuation so at the minute he's still a Charlton player."

He added: "Sodje is a player I've kept in contact with but I don't think Reading have made a decision on that. But Sam is on our radar and that's all I can say for now."