You can refer to the Prospective Industry Research Institute. There are many data quoted by the media and reprinted articles, and the website looks more formal.
Online information: Forward-looking Industry Research Institute, based on the massive data and professional research accumulated in 10, and relying on the professional data provided by national statistical agencies and various industry associations, keeps paying close attention to the growth and development of sub-industry markets with professional and rigorous research attitude and forward-looking vision. Committed to comprehensively tracking and in-depth study of the development status and trends of sub-sectors in China, providing professional, authoritative, accurate and objective data reports and constructive suggestions for enterprises and the government, and promoting the sustained and healthy development of the industry.
As a group of investigation institutions that obtained the membership of China Market Research Association, China Market Research Association and China Competitive Intelligence Association earlier, 66 sub-industry research groups have basically covered all industries. After being certified by the National Bureau of Statistics to accept international research services, Forward-looking Industrial Research Institute has extended its reach to the whole world. Up to now, it has provided professional investigation and consulting services for more than 68,000 outstanding local enterprises and international enterprises rooted in the Greater China market.
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