This proceedings consists of fifty one selected papers presented at the 2015 International Workshop on Materials, Manufacturing Technology, Electronics and Information Science (MMTEI2015), which was successfully held in Wuhan, China during October 9-11, 2015.MMTEI2015 covered a wide range of fundamental studies, technical innovations and industrial applications in the 4 areas, namely Material Science and Application, Mechanical Engineering and Mechatronics,Electronics Engineering and Microelectronics, and Information Science.This workshop aims to provide a forum for scientists, scholars, engineers and students from universities all around the world and the industry to present ongoing research activities, and hence to foster research relations between universities and the industry. All accepted papers were subjected to a strict peer-review process by 2-3 expert referees.