Antminer s9 S9j s9i bitcoin mining hardware 16nm ASIC bitmain antminer s9 13.5t cheap bitcoin
Packaging & Delivery
Wecome Contact: Lynn zhao +8618826531736 /18688713617
1. We guarantee the safety of the goods until they are in the hands of the shipping carrier. Once the shipping carrier has accepted the goods, the ownership of them will be transferred to customers. Any damage or losses of the goods during transport and import customs clearance will be charged to the buyers.
2. Refund or Return is not acceptable after payment received.
Bitmain offers 180 days parts warranty for the machines starting from the shipping date from Bitmain.
The warranty expires in the following cases which is including but not limited to:
Miner is demolished, privately altered or component replacement by customers;
Lightning, voltage surges, poor quality power supply causing damage;
Circuit boards and components damaged by water, exposed to moisture or corroded;
The circuit board or the chip is completely burned;
Excessive Over-clocking in an overheating environment