China wholesale Whatsminer M30s - Whatsminer M20s Most 68T SHA-256 Bitcoin Miner BTC/BCH Machine – Goalwin

Whatsminer miners M20s Hashrate 68Th/s Power 3264W Asic Mining SHA-256  BTC/BCH

If any problem, please leave an after-sales message on our message board. Our technical support team will get in touch with you ASAP.

Please don’t send any machine or parts without contacting the technical support team first. Any loss or damage as a result of lack of contact will be the responsibility of the customer.

The price of miners may be adjusted at any time without prior notice or price compensation to customers.

The warranty expires in the following cases:

• 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.

If above case happens, services of your miner maintenance will be charged. For the specific procedures, please refer to the after-sales process.

Note: Please ensure your miners be taken care in a proper farm with cooling and dust filter conditions. Warranty expires if you overclock miners or running miners at excessive heat or dust conditions beyond our target range.