MoU signed to explore railway technology application and solutions for intelligent maintenance, Hong Kong June 17, 2022 | Asia Pacific News, News The MTR Corporation and the MTR Academy (MTRA) have signed a memorandum of understanding (MoU) with the Hong Kong Polytechnic University (PolyU) on a three-year collaboration to establish a partnershi... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password