A：Hello, thanks for your concept. You should get in touch with our sales manager through WhatsApp at +8618623251355. Built with industrial-grade components, the S19 control board withstands the rigors of ongoing operation in Skilled mining amenities. Its Increased thermal style and strong electricity shipping techniques protect against the prevalent failure https://zionsmznx.pointblog.net/the-single-best-strategy-to-use-for-antminer-s9-control-board-84613479