After-sale service

  1. Due to special merchandise, and the price of mining machines often varies according to such variables as the exchange rate, phantom currency prices, and network difficulty. Does not accept refund requests or returns.no refunds or returns are accepted after delivery.
  2. Due to market fluctuations, product prices may be adjusted at any time after your purchase. We do not assume the obligation of prior notice and price compensation.
  3. Used machine We guarantee power and power parameters, but the appearance is not guaranteed. Please consider before buying.

 Warranty service

  1. 90 days from the date of shipment
  2. If it is a warranty policy, a defective miner can repair it for free; after the warranty period, the machine needs to pay for repairs according to the actual situation.
  3. The following events will invalidate the warranty: Customer first removes/replaces any component by itself; damage caused by lightning or voltage surges; scorched parts on a stray board or chip; miners/circuit boards/components infiltrate due to wet conditions Or corrosion and damage.
  4. Pay shipping fees when shipping replacement parts during the warranty period.
  5. If you have any questions when receiving the package, please communicate with customer service.


Ship freedom via DHL,FEDEX,TNT,UPS.(3-5days)


1.You can choose BitPay/WU/MoneyGram/Alipay..Our payment information will show up when order.After we check the money, the order will show "ready to ship" .
2.As the miner price change so fast, so please contact our whatsapp about the new price before order.That is good for both of us.
3.Any payment problems,please contact our whatsapp(+8613225326119) to get help.