We have now a big inventory and assurance the standard. All control boards will endure arduous testing in advance of cargo to make sure that prospects obtain qualified and operating control boards. A:Howdy, thanks to your message. You should get in touch with our sales supervisor by using WhatsApp at https://chancechdxs.tribunablog.com/the-smart-trick-of-antminer-control-board-repair-that-no-one-is-discussing-51865220