2. Know the number of answers: 12 1 adoption rate: 100% help seekers: 304,000. I also go to answer questions and visit my personal page to pay attention to everyone. The POS payment community is honored to help you.
3, the credit card machine pos is good: UnionPay business UnionPay business is the leader of pos machines, produced by state-owned enterprises, the brand of the central bank is guaranteed, and the whole country can take orders, ranking first in the POS machine list in 2022.
4. Under normal circumstances, it takes about three pos machines to raise cards. We should not only know the rules of using and withdrawing credit cards, but also know the criteria for banks to judge whether to return them. There are two basic principles for withdrawing troops. Banks feel that the credit line will not become unrecoverable bad debts, that is, the funds are safe.