Hongfei Liu is a visiting PhD student in Mechanical Engineering at the University of Auckland. He is also a PhD candidate in Mechanical Engineering at Shanghai University. Prior to this, he was a M.Sc. student at Shanghai University, Shanghai, China. He received his B.S. degree from Qingdao University of Science and Technology, Qingdao, China, in 2018.

He dedicates to developing a cloud-based smart monitoring system related to robot welding. Currently, his research focuses on building systems for data integration and purification of multi-type seams and developing associated vision sensors and software. He also has good experience with laser welding and commercial product development based on computer vision and deep learning.