How many messages does he cheng Rural Commercial Bank send a month?

After launching SMS notification service, Rural Commercial Bank charges 2 yuan/month service fee, and the monthly fee is directly deducted from the card balance. When the balance in the card is zero, the system will suspend the deduction. The next time you deposit money in the card, the system will deduct the fee again until all the money in 2 yuan is deducted. At present, there is no charge for SMS notification of transactions provided by credit cards.