Welcome
Give us idea of your budget for hotels, requirements so we can help.
GSM - go to eBay, pick up triband, UNLOCKED phone, upon arrival, buy China Mobile sim/account, around RMB120, call to your heart's content (do search on this and you'll see prior discussions on this thread).
http://flyertalk.com/forum/showthrea...ighlight=china
http://flyertalk.com/forum/showthrea...ighlight=china