How to classify Bank of Communications customers?

Bank of Communications customers are classified according to the cardholder's card type as follows: \r\n\r\n 1. Ordinary customers hold ordinary transportation bank cards (including salary cards and Pacific debit cards). ) \r\nBinary queue \r\n\r\n 2. The wealth management customer holds the Bank of Communications wealth management card (silver card, starting from the assets of 50,000 Bank of Communications). The account manager will send financial SMS. \r\n\r\n 3. VIP customers hold VIP (ward card, 500,000 assets of Bank of Communications, not counting running water) of Bank of Communications. \ r \ nVIP queue with higher priority, customers with Bank of Communications Platinum Credit Card (above 50,000, annual fee 1000) enjoy the same queuing level. \r\nGifts are available on holidays, and birthday cake cards (excluding platinum credit cards) \r\n\r\n 4. Big customers of Bank of Communications hold diamond Ward cards (5 million cases, not counting running water, Ward cards are marked with diamonds) \ r \ nThe priority is the highest, and business is given priority.