The caliber of service here is outstanding. My buy was processed quickly, and also the shipping and delivery arrived promptly. Anything was precisely as marketed. When you have not been given your refund however, remember to Check out your copyright or copyright account 1st. It could acquire some time on https://bitmainantminerl916gh74651.full-design.com/antminer-bitmain-t21-an-overview-76874321