Jasminer:

Customers outside China: https://www.jasminer.com/#/support/searchsn

Chinese Customers: https://zh.jasminer.com/#/support/searchsn

Ipollo:

https://ipollo.com/ (online customer service feedback in the lower right corner)

Other brands:

Send an email to servicecenter-ludwig jinglemining.com for inquiries

① Customers outside China:

When returning the product to our company/manufacturer, the customer is responsible for the shipping cost, while our company/manufacturer covers the customs clearance fees.

Once it is repaired and sent back, our company/manufacturer will bear the logistics cost, and the customer will bear the customs clearance fee.

② Chinese Customers:

Mail it back directly, and the express delivery fee will be half of each.

③ Shipping & Clearance fee:

Jasminer - Customer bears the shipping & clearance cost to the company, the company bears the back shipping & clearance cost.

iPollo - Customer bears the shipping cost to the company, the company bears the back shipping cost. Customer bears all clearance cost.

Bitmain - Customer bears the shipping cost to the company, the company bears the back shipping cost. Customer bears all clearance cost.

Goldshell - Customer bears the shipping cost to the company, the company bears the back shipping cost. Customer bears all clearance cost.

iBeLink - Company bears all shipping cost. Customer bears all clearance cost.

SuperScalar - Company bears all shipping & clearance cost.

If the machine is under warranty and needs to be returned to the factory for free repair and replacement, the computing power loss during the period can be replaced by our company/manufacturer's machine according to the currency currently being mined by the machine and the real-time income. The income during the period is switched to the customer's wallet address.

① If the warranty label or serial number (SN) of the product is torn or removed, the product is damaged due to unauthorized disassembly within the warranty period, the warranty will be void.

② Confirm the machine usage instructions and operating specifications. For details, refer to the machine instruction manual and relevant sales/after-sales personnel. If the machine is damaged due to misoperation by the customer (such as connecting to the wrong voltage), the warranty will be void.

③ Any modifications made by the customer within the warranty period, such as adding cooling systems, modifying fans, heat sinks, or altering power cables, the warranty will be void.

④ If you change the SN code of the machine shell without permission, the warranty will be void once discovered.

If you find the miner is damaged, scratched, or the warranty label has fallen off/damaged, you must notify our office immediately (within 24 hours) for clarification, otherwise the warranty will be invalid.