Rolling stock contract awarded for Bogota Metro Line 1, Colombia November 5, 2020 | Latin America News China-based CRRC Changchun (CRRC) has secured a contract to supply rolling stock for Bogota Metro Line 1. The contract has been awarded by China Harbor Engineering Co. (CHEC), which has an 85 per cent... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password