Request for full refundYour company name]Date: Dear , I would like a full refund for the ______________ (product) I purchased from you on __________. It has been nothing but a disappointment. It did not perform in the same way from commercial samples and had difficulties in operating it in ________________________ (describe the situation). Moreover, the manual was too basic. There are only a few lines where more explanation was necessary.Therefore, I am returning ______________ (name of product) to you and request a full refund. Please confirm that the refund has been applied to my card. Sincerely,,

需要客户出具退款说明的电文；相同金额的销售合同

去外管审批，外管有统一的申请表

审批后去银行办理退款；审批文件，还有和给外管相同的申请退款的资料

一定要与客户双方，银行沟通好。