If it is an E-era smart card, and it has local and foreign currency, you can receive foreign exchange directly. I don't know if you can do it. You can take it to the bank counter or lobby and ask the cashier or lobby manager. If not, you can start an international business, or set up another one that can accept foreign exchange. Then ask the SWIFT code of ICBC Shenzhen Branch, and tell your Indonesian friend this code, bank name, your account name and card number (account number) so that you can receive the money he remitted to you. The SWIFT code of ICBC Shenzhen branch is ICBKCNBJSZN.

English name of China Industrial and Commercial Bank Shenzhen Branch: Industrial and Commercial Bank of China (Shenzhen Branch) Shenzhen.