BYD unveils SkyRail for Shenzhen city monorail October 14, 2016 | Asia Pacific Company News China-based manufacturer BYD has invested CNY5 billion on research and development over five years to develop a monorail system for Shenzhen. The line will span 4.4 km and operate at a maximum speed o... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password