On March 18, Tianjin Metro’s ride code was officially connected to China UnionPay Cloud QuickPass APP, and users can directly scan the code to pass through the gate on rail transit lines that have been opened and operated in the city (including Binhai New Area Z4 line).
Open the "Cloud uickPass" APP homepage, select "Tianjin" in the upper left corner, click "Travel", enter the "Travel" interface and click "Tianjin Metro".
Source: TianjinPlus