The general bank invites you to apply for a platinum card, which shows that you meet the conditions for issuing a platinum card.
If you agree, it will be approved soon, and then the platinum card will be mailed to your billing address.
Platinum card is a high-end credit card or savings card jointly launched by bank card organizations and commercial banks.
For example, UnionPay card is a bank card jointly launched by China UnionPay and commercial banks. The card number starts with 62 and the UnionPay logo is printed on the card surface.