Are there any professional companies in Shenzhen that can do third-party satisfaction surveys?

Shangshufang Information Consulting is a professional third-party market research organization, which can carry out public opinion survey, social benefit survey, performance evaluation survey and management standard survey. A really good social survey usually attracts the attention of the public and the respondents, and even causes public opinion. Can carry out field investigation, CATI (computer-assisted telephone interview), online network survey, etc. The survey was designed for most of the respondents, and then the conclusions were drawn according to the respondents' answers.