Zijin card can be used to purchase wealth management products and deposit and withdrawal. To get this card, you really need a personal deposit of 300 thousand. Platinum card 500,000, black gold card 654.38+00,000. You said someone would do it for you, and there are many doubts about this matter. First of all, to handle this card, the customer must come to the bank in person. In addition, the passbook shows 300,000 yuan, which is invalid. It is also possible for him to withdraw cash from his card and his passbook is not registered. Although it shows 300 thousand, there is actually no money. Even if you have 300 thousand cards in your hand. But since he can help you, he can also report the loss of your card and take the money away. It is also possible that he is an insider of the bank, acting for customers or friends in order to complete the performance. But considering that 300 thousand is not a small sum, you'd better go to the bank yourself.