What you want to ask is, after the warranty period, does Sutong still need to pay for bookkeeping? Don't. According to Caiti's inquiry. Com, Sutong recharge card will expire after the warranty period, so you don't have to pay any more. Charge card is an IC card that "consumes first, then settles". Sutong card unit recharge card is suitable for large consumers with more than 20 vehicles, while Sutong card personal recharge card is limited to individual consumers holding China Merchants Bank credit cards.