The standard of service Here's fantastic. My purchase was processed quickly, plus the shipping and delivery arrived on time. Everything was exactly as marketed. Should you haven't gained your refund still, be sure to check your Paypal or copyright account 1st. It could just take a while in your refund https://bitmain-antminer-s21-hyd51627.bloginwi.com/68182883/how-much-you-need-to-expect-you-ll-pay-for-a-good-bitmain-antminer-l7