After the immensely successful ICCME2024 (Nagoya, Japan), ICCME2023 (Fukuoka, Japan), ICCME2022 (Tokyo, Japan), ICCME2021 & 2020 (Virtual Conference), ICCME2019 (Nanyang Technological University), ICCME2018 (Beijing), ICCME2014-2017, we are expecting ICCME2025, the 12th anniversary of ICCME, to be more exciting, stimulating & educative. Welcome to 2025 the 12th International Conference on Chemical and Material Engineering (ICCME 2025), will be held in Osaka, Japan during November 21-24, 2025 as the workshop of ICMSET 2025. ICCME2025 provides an international forum for presentation of original research results, as well as exchange and dissemination of innovative, practical development experiences. ICCME draws researchers and application developers from a wide range of Chemical and Material Engineering. By promoting novel, high quality research findings, and innovative solutions to challenging Chemical and Material Engineering problems, the conference seeks to continuously advance the state-of-the-art in Chemical and Material Engineering.