Hui Research (Shandong Market Research Consulting Co., Ltd.) is a professional third-party market research institution. It is one of the most influential third-party evaluation think tanks in China, and 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.