ICBC credit card installment generally requires the following supporting materials:

1. Personal identity certificate: It is usually necessary to provide valid identity documents, such as ID cards, passports, etc.

2. Proof of income: It can be a personal salary statement, labor contract, tax bill or bank statement, etc., to prove your income and financial ability.

3. Bank statements: Provide personal bank account statements in recent months, including salary income, other sources of income and expenses, etc., so that the bank can understand your income and expenditure and financial status.

4. Occupation certificate: If you are engaged in freelancing or running a self-employed business, you also need to provide corresponding occupational certificates, such as industrial and commercial business licenses, tax registration certificates, etc.

5. Other supporting materials: Depending on the different installment projects, other supporting materials may be required, such as property certificates, vehicle certificates, etc.