The Electrical and Mechanical Services Department (EMSD) of the Government of the Hong Kong Special Administrative Region will host the International Hydrogen Development Symposium 2026, to be held from 18 to 20 May 2026 at the Hong Kong Convention and Exhibition Centre. The Symposium will be co-organized by the China Hydrogen Alliance and will serve as the flagship event of Hydrogen Week 2026 in Hong Kong, featuring a comprehensive program of conferences, exhibitions, and site visits. The Symposium will bring together experts and practitioners from the hydrogen energy industry to provide an interactive platform for exchanging the latest technological advancements, engineering solutions, and future trends. It aims to foster collaboration and drive innovation across the global hydrogen sector. In addition, the exhibition area, covering nearly 4,000 square meters, will offer enterprises valuable opportunities to showcase their products and solutions, while promoting industry networking and collaboration.