What is the relationship between Guotai Junan and Guotai Taian Database?

It doesn't matter. These are two independent companies. According to relevant public information, Guotai Junan Securities Co., Ltd., which was merged on August 1999, is a long-term, sustained and comprehensive leading integrated financial service provider in China securities industry. Guotai Junan spans the whole process and multiple cycles of the development of China's capital market, always takes customers as the center, deeply cultivates the China market, and provides various financial services for individual and institutional customers, thus establishing an all-round leading position in the industry. Guotai 'an is the largest professional high-tech company engaged in the design and development of accurate database of financial information in China, and the only China data provider in Greater China that has been included in Wharton research service system by Wharton Business School of the United States, CSMAR (full name: China Stock Market &; AccountingResearchDatabase) data platform is built by professional R&D team in Tai 'an, with the full support of professional research institutions and investment circles such as China Financial Research Center of the University of Hong Kong, China Accounting and Financial Research Center of the Hong Kong Polytechnic University, Shanghai Stock Exchange and Shenzhen Stock Exchange, and in accordance with the construction standards of internationally renowned databases such as CRSP and COMPUSTAT, with the purpose of academic research.