3 proposals. Couldn't find the names of the architects sorry.

Proposal 1
http://i245.photobucket.com/albums/gg64/z0rgggg/others2/others3/977387e3564a690c0f4519443b07bc46.jpg

Proposal 2
http://i245.photobucket.com/albums/gg64/z0rgggg/others2/others3/61952928fe677c0024fa1931c6d98451.jpg

Proposal 3
http://i245.photobucket.com/albums/gg64/z0rgggg/others2/others3/cfc2c97cf029736c5db14445a50c300f.jpg

Source
http://house.gxsky.com/200522210676/20104/1581644_30703.htm

Better renders of the first proposal
http://pic.qnpic.com:83/r.jsp?fn=//fanjoin/share/2010/4/11/1300.jpg

http://pic.qnpic.com:83/r.jsp?fn=//fanjoin/share/2010/4/11/1323.jpg

http://pic.qnpic.com:83/r.jsp?fn=//fanjoin/share/2010/4/11/1301.jpg

I definitely like the first one. That one looks very sharp

By 愚叔五香
http://pic.qnpic.com:83/r.jsp?fn=//fanjoin/share/2012/6/13/2012-30016-300113-0020-6c47-4e1c-661f-57ce2.jpg

Location
http://i.imgur.com/w1DrdSu.jpg

http://i.imgur.com/ep2qrEb.jpg

http://i.imgur.com/ed0OOcK.jpg

http://i.imgur.com/bl52qxy.jpg

http://i.imgur.com/OnbTec4.jpg

www.nnghj.gov.cn (http://www.nnghj.gov.cn/uploads/20110124汇东星城调整总平.jpg)

http://i.imgur.com/QY26b4J.jpg

http://i.imgur.com/kZR2woa.jpg
Nanning Daily (http://116.11.253.210:9999/epaper/nnwb/html/2010/09/17/74/74_24.htm)

http://i.imgur.com/nBuq1rj.jpg

http://i.imgur.com/C5kQtYr.jpg

http://i.imgur.com/hHRvJVC.jpg