Yinchuan opens BYD-built monorail, to expand network to 300 km, China September 5, 2017 | Asia Pacific Company News BYD has commenced revenue service of its first commercial monorail at China Flower Expo Park in Yinchuan, China. The construction cost was CNY600 million. The line spans 5.7 km and covers eight statio... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password