2. CCTV-Sophomore Media Research Co., Ltd..
3. Beijing HC International Information Co., Ltd
4. CCTV Market Research Co., Ltd.
5. Beijing Huanya Market Research Institute
6. Guangdong Modern International Market Research Co., Ltd..
7. Shanghai AC Nielsen Market Research Company
8. Gallup China Consulting Limited.
9. Cheng Kai Market Research Consulting Agency.
10. new generation market monitoring agency co., ltd.