China Merchants Bank
Will seal the card, use the same card to fix the entire amount on the same POS machine every month, this is not much to say, it is estimated that this is not done now.
In the unrealistic time point of the card transaction, some of the problems will be committed by some friends, such as brushing KTV in the morning, brushing the wholesale cap at night, etc. This is not right, to do normal things in normal time, It is best not to swipe the card after 8 o'clock in the evening. Do not swipe the card before 9 o'clock in the morning. Use KTV at night to brush the POS machine.
Excessive use of Alipay in a short period of time, such as the center single pen up to 1000 yuan, multiple times 998, 995 and other similar figures, the first is not to brush out the last three digits of the same number, and not too often Use Alipay to pay, do not use the same card to trade on two or more POS terminals within half an hour, no matter whether it is successful or not, please do not frequently check the balance, the balance check function has long been listed by the bank. The wind control monitors the object.