The risk grades of early warning signals of corporate loan products of China Bank are divided into
Level five. According to Sina News Network, the risk grade of early warning signal of BOC e-loan products is divided into five grades: R 1, R2, R3, R4 and R5. The early warning signals of BOC e-loan products mainly have five risk levels, which are R 1 (cautious), R2 (robust), R3 (balanced), R4 (aggressive) and R5 (aggressive).