Following the successes of previous events, the 9th International Conference on Manufacturing, Material and Metallurgical Engineering, will take place in Okinawa, Japan from July 23-25, 2025. The key goal of the conference is aimed at bringing together academicians, scientists, engineers, and researchers working in various disciplines of these fields to exchange views as well as to share their expertise, experience and research results, and discuss the challenges and future directions in their specialized areas of research in these fields.