Please inspect the package in front of the courier

We have a QC team who tests your ordered products to make sure they are functioning correctly before they are packed and sent to you. In addition to the normal quality assurance checks, all the goods have passed in the factory line.’s Standard Warranty Policies are only applicable to the products purchased by you directly from All returns require a Return Merchandise Authorization (RMA) number. The policy of Compensation First is available for all the problems. Crypto Mining Machinery, Co. Ltd. provides 190 days guarantee for replacement and 365 Days free warranty.

190 Days Replacement Instructions:

1. Crypto Mining Machinery, Co. Ltd only provides the replacement for the same models (except accessories), replacement time starts from the day of receipt.

2. The malfunction should be declared veritably. If this is a hidden mistake, then the machine should call our customer service representative for testing. If the fault is found, a replacement will be given (no wear and tear).

3. No replacement for this kind of problem: If it is just a software failure, a common issue for the new models can be repaired through the new system updated.

4. The Machine with wear and scratches should be replaced at a discount. No replacement for the heavy wear, scratches machines.

365 Days Warranty:

1. If the quality of machines caused by the software or hardware failure, can enjoy free warranty service. 12 months hardware warranty, free software upgrades for all life.

2. Crypto Mining Machinery, Co. Ltd doesn’t provide warranty service for man-made damaged, broken, waterlogged, moist, self-reset or self-disassembled machines. No warranty or replacement for the external parts, such as machines cases, damaged or paint and other consumable parts.

3. The fee will be charged in these kinds of situations: machines label is damaged, sales receipt does not match the machines, self-upgrades the machines information result in a system or the change of language.

6. After-sales center will don’t offer the service if there are risks to clear the foreign bodies, dust, spots or light-spots in the board of used machines.

Defective Item(s)

Within 30 days after you received the item(s)

100% of the product’s price can be refunded in condition that the Customer Service confirms that secondary sales of the product will not be affected (with a full-set of accessories and perfect appearance). But the customer has to pay the freight.

After 30 days since you received the item(s)

7 – 30 days: Resend a product or refund to customer after receiving the returned product. The customer pays the freight from the customer to the company.

(The customer sends the defective product back to China, USA & or UK by registered air mail, for which $25 at most or a coupon will be reimbursed. The customer shall pay the customs clearance fees incurred if the customer sends back the product by Express Delivery and has to charge for customs clearance fees.)

(Customer shall be suggested to open the parcel and examine the product immediately after receiving it. If the product is damaged, customer should refuse to sign for the product and demand a documentary evidence of logistics damage. Then response to the Customer Service without delay for sales return or exchange.)

7 – 30 days: The customer returns the defective product to China and the company sends it back to the customer after maintenance. The customer pays the freight from the customer to the company.

We usually re-send the product by parcel. If preferring express delivery, the customer shall pay the customs fee.

Unsatisfied Items(s)

We don’t accept without quality problems, refuse to refund.

Missing Item (Items missed completely or partially from an order)

Crypto Mining Machinery, Co. Ltd will ship the missing item to customer once we check it.

If the item is just out of stock, full refund of the item’s price will be issued.

Customer should contact Crypto Mining Machinery, Co. Ltd Customer service within 30 days since shipment date when meet the problem.

Sweet reminder: remember to keep the package if “missing item” issue happens, because Crypto Mining Machinery, Co. Ltd may need it to solve your problem. Any confirmation that cannot be fulfilled successfully due to customers’ responsibility, Crypto Mining Machinery, Co. Ltd will refuse to solve this kind of problem.

DOA (Dead on Arrival or Damaged on Arrival) Products

You may return the item damaged on arrival ( physical damage ) or item dead on arrival within 15 days after delivery or 30 days after shipment if the delivery date is not traceable.

DOA products should meet the following standard:

The accessories, including the retail box, manuals, cables, and all other items originally included in the package are intact.

The problem of product is not caused by incorrect usage.