Group 1 - The Hong Kong East Rail Line platform door installation project, led by Fangda Group, was completed approximately six months ahead of schedule, marking a significant advancement in the line's safety and intelligence [1][5] - The project involved the installation of 1,575 half-height platform doors and an intelligent safety system across 13 stations and 35 platforms, enhancing passenger safety and comfort [3][4] - Fangda Group is recognized as a high-tech enterprise specializing in the development, design, manufacturing, installation, and maintenance of platform screen door systems, with a comprehensive intellectual property portfolio [3][4] Group 2 - The installation process was highly efficient, with the team completing all operations within a two-hour window during train downtime, setting a new industry benchmark for "zero interference" construction [4] - Advanced technologies such as laser radar for passenger detection and a high-reliability signal simulator were utilized to ensure safety and operational continuity during the installation [4] - The successful experience from this project is expected to provide valuable insights for the Greater Bay Area and global rail transit platform door projects, promoting technological innovation in the industry [5]