A regular visitor to the area ...
Zhuhai now very quiet, and the regular places are sometimes even off limits unless you are VIP or know the management.
Heard from cabbies and other "friends" that the up and coming area of "Zhuhai" is in the ZhongShan, TanZhou region - 中山坦洲 （about 20 minutes out of Gongbei.
A few more happening places there.
Can try Sunday 新地 Hotel. They have a Spa on the ground floor.
Full range of services ranging from 300+ - 600+ (model category) RMB.
Tried the 600+ category and left totally satisfied - she said she didn't get enough even after a marathon session ...
http://www.zhuna.cn/jiudian-wd-Zhong...uXinDiJiuDian/