We provide a 30-day guarantee on the purchase of all our refurbished tools. Transport rates, customs costs, and taxes aren't included in the retail price proven previously mentioned. A：Hi there, thank you for your information. You should get in touch with our sales supervisor via WhatsApp at +8618623251355. Not long https://andrepdmqj.jiliblog.com/93833183/how-much-you-need-to-expect-you-ll-pay-for-a-good-antminer-l7-control-board