Request Operational Heritage: Request comprehensive information regarding the miner’s operational history, including use duration, routine maintenance records, and any repairs or replacements. Canaan warrants the acquired merchandise(s) to get free of all defects in material, efficiency and workmanship for 180 times for merchandise within the date from the shipping. This https://refurbishedantminerz1510864.ampedpages.com/in-depth-guide-to-bitmain-antminer-z15-66037292