1. Brand new machines usually have an official warranty period of 1 year. Due to Chinese policy and the particularity of the product, the machine cannot be returned. You must ensure that there is an official after-sales location or shop in your local area. For Antminer, there are official shops in many places. If you have any questions, you can find the local official location or website.We sincerely sell miners on AliExpress, I think i need to let you know that:ALL SALES ARE FINAL! NO REFUNDS OR RETURNS!only you agree with this, we can arrange shipment for you at once.Please contact with us as soon as possible if you get the thing happened above. We will help you contact the service center to solve the problems as per your request.

Logistics

1. We will deliver the goods by international express such as DHL, FedEx, UPS, etc.2. Some countries require customers to clear customs and pay customs duties by themselves. We will provide some relevant document assistance.3. For the United States, there is no need to pay tariffs. In Russia, we have a special line.4. For Russia, which will arrive in about 15-22 days, including customs clearance and tariffs.5. Since we are not involved in the entire transportation process of the product, we cannot bear the damage caused during the transportation. We will place foam or sponges, attach fragile labels and other protective measures before shipment to protect the machine as much as possible. Ensure that the machine is in good condition before shipment.6. If you are worried about the loss of goods, you can purchase logistics insurance.7. Due to the particularity of the machine, it is not refundable or exchangeable.