Mr. Li Jianzhang is a distinguished senior expert in optical physics equipment manufacturing at Xinnan Zhike. A graduate of Zhejiang University majoring in Optics, Mr. Li furthered his expertise at the Shanghai Institute of Optics and Fine Mechanics (SIOM) and the Changchun Institute of Optics, Fine Mechanics and Physics (CIOMP), under the Chinese Academy of Sciences (CAS). With a career spanning over 50 years in scientific research and precision engineering, Mr. Li brings unparalleled expertise to the R&D of high-precision optical components. His recent work focuses on high-power spatial filters, optical ultra-stable cavities, and high-vacuum cells. Before joining Xinnan Zhike, Mr. Li dedicated over 40 years to the 11th Research Institute of China Electronics Technology Group Corporation (CETC). As a frontline leader in research and production, he played a pivotal role in developing critical optical components for numerous national-level strategic projects, earning multiple ministerial-level awards for Science and Technology Progress. Tsinghua University Collaboration: Independently led the development of core optical components for a major national research project. Infrared Interferometry (Nanjing University of Science and Technology): Key contributor to the fabrication of the Germanium Standard Mirror, a critical component for infrared interferometers. The project achieved a remarkable precision of λ/20, winning the Ministerial First Class Award (1997) and the Science and Technology Progress Second Class Award (1998). Academic Impact: Authored numerous influential papers presented at national academic conferences and industry exchange forums.