This company in the sector is potent and aggressive, advancing With each of the instances and build sustainable, we are very pleased to have a opportunity to cooperate! 2.The guarantee only relates to the original purchaser who procured the system straight from BITMAIN. When the miner is resold, guarantee safety https://antminer-z15-second-hand10753.aioblogs.com/91956899/antminer-z15-price-explained-for-used-units