Bank of Communications Huimin loan withdrawal failed. If the coupon has been used, you can contact the customer service in the station. Because if the withdrawal amount of Bank of Communications Huimin Loan exceeds 50,000 or more, you need to make an appointment with Bank of Communications in advance. If the user operates directly by himself, it will lead to the inability to take out the coupons. After using them, you can contact the customer service in the station to solve related problems.