500,000. According to the inquiry on Wubaoyouqian.com, the maximum limit of Guangzhou Bank's instant loan product is 500,000, and its interest rate is 0.4% to 0.9% per month. Guangzhou Bank Instant Loan is a cash installment business launched by Guangzhou Bank. This product is mainly launched for high-quality customers of Guangzhou Bank. Instant Loan is a purely credit loan product.