Yu Shi is a distinguished Technical Superintendent and Class A-1 Chief Engineer with nearly 30 years of expertise in marine engineering and vessel oversight. Currently a Technical Superintendent and Marine Surveyor at Haida United Marine Tech-Services (Beijing), he specializes in P&I condition surveys, H&M damage investigations, and ISM/ISPS/MLC auditing. His extensive career includes serving as Chief Engineer for industry leaders such as China Navigation Co., V. Ships, and PIL, where he also managed newbuild construction supervision and sea trials. A Wuhan University of Technology graduate, Mr. Shi is highly proficient in RT-Flex engine operations, dock repair management, and international regulatory compliance, providing elite technical leadership for complex maritime operations.