If the bank card is registered for online banking or mobile banking, you can log in online for self-inquiry. Generally, you can view the purchase fund under the fund menu. You can also bring your bank card directly to the bank outlet for inquiry.
Download the mobile app of commercial banks, and you can find your own wealth management products and purchased fund products when you go in.
You can take your ID card to the staff above their bank counter to check it for you directly. All your accounts will definitely show all the funds you bought before.