1. To change the card in official website, Chaoyang City, you need to log in to official website and click "Online Business Hall" to change the card.
2. Recharge at the recharge point of subway station or bus station, and the specific location can be inquired in official website.
3. To recharge in banks, telecom business halls, convenience stores and other cooperative merchants, you only need to bring a card and cash.
Please choose the appropriate renewal method according to your personal needs.