When you're prepared to purchase a number of merchandise. You can consult with the sales Supervisor to acquire a sample of the proforma invoice. The classification, product price tag, and freight are integrated. How to complete the payment? Bitmain Dash miner Antminer Xilinx 7007 Zynq D7 control board Antminer D7 https://antminercontrollboardsfor16952.blog2freedom.com/37521570/not-known-details-about-antminer-control-board