From November 12 to 14, 2020, the 4th Frontier Forum of Information Perception and Fusion was held in Shenyang. The Forum was sponsored by Information Fusion Branch of Chinese Aeronautical Society and jointly co-organized by Shenyang University of Technology and Liaoning Institute of Aeronautics and Astronautics.The theme ofthe forum is“information fusion and industrial manufacturing”. Wang Liding, academician of the Chinese Academy of Sciences, and other three academicians of Chinese Academy of Engineering, Feng Xisheng, Tang Renyuan, and Chai Tianyou, were invited to attend the forum and make speeches. At the forum attendees discussed in depth the application and research results of information fusion in the field of industrial manufacturing. In the regard, this forum created a high-level learning and exchange platform for the researchers in the fields of information fusion and industrial manufacturing.