英语翻译unfortunately customs demand me documents trade them in

英语翻译
unfortunately customs demand me documents trade them in order to demonstrate to value and authenticity.if possible I prefer reimbursement less supported expenses.Finished this sale of it I will make others of minor being worth,always from you.Is possiblea reimbursement?I understand the great uneasiness,but I trust myself my Chinese vendor.Thanks ---------- Initial Header -----------