We frequently try to ship The instant we will via USP or DHL promptly after entire payment is obtained and verified. 2. In guarantee time, the customer bears the postage to mail again, Bitmain bears the postage to send out back for the customer; This provider stick to the https://usedantminerz15forsale65156.arwebo.com/62500275/antminer-z15-price-drop-buy-now