If you buy a credit card from this person you might as well just go donate your coins to a random address, he is a scammer and he will not give you anything and the site is not functional.
BECARFUL DO NOT BUY I WAS SCAMMED BY HIM
Hey, buddy, if you didn't receive the card, why you haven't contacted our support department for assistance? Send me personal message with the details of your payment. We will be glad to help you.