http://www.cnr.cn/xmfw/fcxx/200706/t20070628_504501693.html
http://xf.xmhouse.com/house_detail.aspx?id=1501

I'm not sure, but the final design may be different, as well as height, etc.

http://pic.qnpic.com:83/r.jsp?fn=//fanjoin/share/2010/2/9/7.jpg

By dagangyou
http://pic.qnpic.com:83/r.jsp?fn=//fanjoin/share/2011/1/7/-7167-7247-0020042.jpg

This news article says the tower is 258.8 m - http://baoliao.haixiachina.com/article/2010/0917/oulzxc2sjk3idpu3izv0kqcggg.html?p=2