CRRC subsidiaries unveil HSR rolling stock prototypes, China December 31, 2024 | Asia Pacific Company News, Asia Pacific News, Company News, News Qingdao CRRC Sifang Rolling Stock Company and CRRC Changchun Railway Vehicles Company, subsidiaries of CRRC Corporation (CRRC), have unveiled prototypes of the CR450 Electric Multiple Units (EMUs), en... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password