China Manufacturer for S11 Antminer - BITMAIN BTC BCH SHA-256 Miner AntMiner S15 28TH With PSU – Goalwin

BITMAIN BTC BCH SHA-256 Miner AntMiner S15 28TH With PSU

Warranty Service:

1. If the new machine is within the warranty period, the original manufacturer of the mining machine is responsible. Generally, the official after-sales repair service date for the new machine is 180 days，We will guide you to find official free maintenance.

2. The used second-hand miners shall be guaranteed within 45 days from the date of shipment, and the maintenance cost of the machine shall be paid according to the actual situation.

3. We will send a test video with SN code before shipment to ensure that the mining machine you purchased is in good condition.

4. If the mining machine you purchased fails, please send us detailed information about your problem (preferably the kernel log and the mining machine work page), and we will also try to help you solve the problem remotely.