Bank of China. According to the official website of Bank of China, as long as the monthly income before tax is more than 3,000 yuan, users between the ages of 24 and 55 can apply. The maximum loan amount is 500,000 yuan, the minimum loan period is one month, and the minimum interest rate is 7.2. Loan means that banks, credit unions and other institutions lend money to entities or individuals who use the money, with specified interest and repayment dates. Loans in a broad sense refer to the general term for lending funds such as loans, discounts, and overdrafts.