PBTS to maintain trains of Wuhu Monorail, China June 3, 2021 | Asia Pacific News CRRC Puzhen Bombardier Transportation Systems Limited (PBTS) has secured a contract to maintain a fleet of 240 railcars to be deployed on the monorail network of Wuhu, a city in Anhui Province. The du... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password