We have a problem with the relevant documents. We have checked thoroughly and found that your payment made on 13 May, our receivable team has offset debt to USD600 with Invoice#IN0059785.
The total amount that will be returned to you many USD40,000.
Please confirm the amount according to inform. If you agree, We will refund Jul 10.
Finally, We sincerely apologize for the delay. please accept my apologies as up to now.