If it is a credit card of China Merchants Bank, customers who have stopped the card after the deadline can apply for a settlement certificate after all the accounts have been settled. If you need to apply, please call customer service to apply manually. This service only provides consultation during working hours on weekdays (i.e. 9: 00- 12: 00, 13: 30- 17: 30). If it is urgent, you can apply for a fax. Under normal circumstances, banks send by registered mail.