We're a reputable firm, you'll be able to request for tips from customers as part of your country. But You may also look for reviews on our Facebook website page or Call BITMAIN(Nathaniel) for tips. All orders will be dispatched As per supply batch as a way. Device are going https://refurbishedantminerz1543186.magicianwiki.com/1897383/little_known_facts_about_bitmain_antminer_z15_pro