In Guangzhou, there are quite a lot of restaurants offering Dim Sum, some of them will be a little bit expensive. If you care the price, here are the some having commonly good reviews by Chinese and also not expensive.
Panxi Restaurant (泮溪酒家)
Add: 151 Longjin Xi Lu, Liwan District, Guangzhou, China
荔湾区龙津西路151号
Tao Tao Ju (陶陶居酒家)
Add: No.20 Dishifu Road, Liwan District, Guangzhou, China
荔湾区第十甫路20号
Nan Yuan Jiu Jia (南园酒家)
Add: 142 Qianjin Lu (Rd), Guangzhou
海珠区前进路142号
Add: 142 Qianjin Lu (Rd), Guangzhou
海珠区前进路142号
You may need: Guangzhou Travel Agency; Guangzhou Hotel Booking