Standard product: The warranty period is 1 year. If the product has functional failure due to its own reasons within one year, our company will provide repair or replacement services.

Customized finished products: 1-year warranty. For one year, due to functional problems arising from our production and research and development, our company will provide repair or replacement services.

About samples:

If the standard product prototype is not suitable or does not meet the product requirements, it can be returned.

Customized samples are not returnable.

Customers can contact online customer service or fill in the self-service application service, choose the mailed repair mode, and each will bear half of the postage

The warranty period of the product is calculated from the date of receipt, and the warranty period is three years. Free warranty for the first year, and cost-effective maintenance for the following two years.

Free warranty is not provided in the following situations:

(1) The product or component exceeds the corresponding warranty period;

(2) Failure or damage caused by incorrect or improper use, maintenance or storage, such as: improper handling, use other than the reasonably expected use of the product, improper plugging and unplugging of external devices, falling or improper external force collision and squeezing;

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(3) Products or components such as casings, ED screens, interfaces, components, and circuits caused by being connected to or exposed to inappropriate temperatures, dissolved acid, flooding or humidifying environments, insect bites or foreign matter intrusion, etc. etc.) broken, rusted, damaged, etc.;

(4) Failure or damage caused by installation, repair, modification, addition or disassembly by institutions or personnel not authorized by Jiavishi;

(5) There is no valid sales invoice or warranty card, except as otherwise provided in this document;

(6) Failure or damage caused by the use of non-legally authorized, non-standard or non-publicly released software;

(7) Failure or damage caused by force majeure or unexpected events;

(8) Any failure or damage to the product during transportation;

After the warranty expires and for equipment that is not covered by the free warranty regulations, users can still receive maintenance services from our company, but accessories and maintenance costs will be charged as appropriate.