We are delighted to invite you to the 4th World Conference on Engineering, Technology, and Applied Science, scheduled for November 17-18, 2025, in the dynamic city of Bangkok, Thailand. This prestigious event will gather engineers, researchers, and professionals from around the globe to exchange ideas, share groundbreaking research, and explore innovative solutions to pressing challenges in engineering and applied sciences. Known for its commitment to fostering collaboration and advancing knowledge, the conference provides a premier platform for academic and professional engagement.