Tianjin Metro premiered its own mobile payment app. During the public holidaysfrom April 1st till June 30th, 2019, passengers only need to pay 1.8RMB for the whole one-way ticket. Through this app, passengers can use the QR code payment to enjoy this discount.
Step 1: Download Tianjin Metro (CN: 天津地铁) app (Only support Chinese now)
Scan the QR Code to download the APP
Step 2: You can download the APP according to your phone's system
Step 3: Registration and login
Step 4: Set up your Wallet (you can choose link to your bank card or Alipay)