Passenger services begin on Zhengzhou Metro Lines 7 and 8, China January 1, 2025 | Asia Pacific News, News Passenger services have commenced on Lines 7 and 8 of Zhengzhou Metro. With the commencement of operations of these lines, the Zhengzhou Metro network now comprises 13 lines which collectively span ov... This content is available to only subscribers. Username or E-mail Password Remember Me Forgot Password