Signing Ceremony (IMAGE) The Hong Kong Polytechnic University Caption Ir Professor Alex Wai (front left), PolyU Vice President (Research Development) and Mr Wang Pengxiang (front right), Chairman of CSRD signed the collaboration agreement to set up The Joint Innovation Center for Rail Transit Safety Monitoring Technology. Credit The Hong Kong Polytechnic University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.