Why I did not receive official GUI receipt?
We will send you official GUI receipt within 7 working days to you email account. Occasionally emails end up in the junk/spam folder. Take a look there.
Sorry to inform you that all the official receipt is not issued in the same day when you ordered or the order delivered.
If you need to have urgent assistance to quickly receive your receipt, kindly approach our customer service agent on live chat or contact us via email@example.com before 6:00pm., Monday to Friday.
We will assist you as soon as possible.