We welcome you to participate in the 7th Asian Particle Technology Symposium (APT 2017) to be held in Taoyuan, Taiwan from 30 July – 3 August, 2017 at Chang Gung University Campus. The theme of the symposium is "Advanced Particle Technologies for Traditional and Immerging Industries". The symposium provides academic and engineering societies in Asia Pacific countries and from all around the world to learn and share their expertise and knowledge in particle technology. We also organize several exciting social events for participants to experience local Taiwanese cultures and we invite you to take this chance to see and enjoy fascinating Taiwan. We look forward to seeing you all in APT 2017!