erWin Audi
You must recharge E coin to purchase a flat rate. To recharge E coin, please contact the service provider:

Company Name:Changchun FAW-VW Auto-culture Co., Ltd.

E coin is only recharged offline, you can check the current  E coin balance when you purchase a flat rate.

Please refer to the flat rate to recharge the E coin reasonably. After the E coin is recharged, it will not be refunded.