Ansaldo STS secures CBTC contract for Hangzhou metro Line 2 in China October 17, 2012 | Asia Pacific News Italy-based Ansaldo STS has secured a USD13.2-million contract to design and supply a communications-based train control (CBTC) signalling system for Phase I of Hangzhou metro’s Line 2. Under Phase ... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password