On behalf of the organizing committee, we welcome all of you to the 2025 China-Japan-Korea Symposium on Analytical Chemistry (CJK 2025), jointly hosted by Minnan Normal University and Xiamen Huaxia University, and jointly organized by College of Chemistry, Chemical Engineering and Enviroment Minnan Normal University and Fujian Province Key Laboratory of Modern Analytical Science and Separation Technology, which will be held from November 21^st to 24^th, 2025 in Zhangzhou City (Fujian, China). The symposium theme of CJK 2025 is “Intelligent Fusion: A New Paradigm for AI-Driven Analytical Chemistry”, which aims to bring together scientists from China, Japan and Korea, working on all aspects of analytical chemistry, to discuss the present and future development of analytical chemistry. It will also serve as a platform for the reunion of old friends. The scientific program of the conference will be arranged in four days. We hope it can be a platform for you to exchange experience and creative ideas with participants from different fields and different regions, and to make new friends or renew old friendship. We believe that your support and active participation will ensure the success of the great event.

Zhangzhou (/ˈdʒæŋˈdʒoʊ/, romanized as Changchow), a city that located in the south of Fujian Province (Southern Hokkien) has the title of national historic and cultural city. Zhangzhou enjoys a great popularity as “Home of Flowers and Fruits”, and hosts the Cross-strait Flowers Exposition in November every year. Narcissus, medicine “Pianzaihuang”, and “Inkpad” produced locally are known as “three treasures” of Zhangzhou, famous both in China and abroad. The hakka earth building complex in Zhangzhou was added to the UNESCO World Heritage List in 2008. We will do our best to make your visit to Zhangzhou a memorable one in both scientific and cultural aspects. We sincerely hope you to enjoy this trip!