CRRC delivers rolling stock for San Jose commuter rail, Costa Rica January 29, 2021 | Asia Pacific Company News China-based CRRC Qingdao Sifang has delivered eight diesel multiple units (DMUs) to be deployed on the commuter rail network of the San José Greater Metropolitan Area. In December 2018, CRRC had secur... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password