The standard of support here is remarkable. My buy was processed promptly, along with the delivery arrived by the due date. Almost everything was specifically as marketed. When there is a challenge Using the miner inside thirty times of signing for delivery, the customer may get a complete refund. Take https://bitmainantminers1972603.myparisblog.com/35099258/the-smart-trick-of-bitmain-antminer-s19-that-no-one-is-discussing