After that

Three Packets of instructions:

If the user cannot use the product normally due to the quality of the product within 12 months after purchase, the Company shall be responsible for free repair or return or replacement.

A certain maintenance fee will be charged for products that fail outside the three guarantees period and fail due to improper use or storage by users.

Consulting services:

Product application related consultation, product quality problem feedback, product return and replacement, after-sales maintenance and other issues, through customer service telephone feedback and consultation.

Customer service telephone: 0431-8554 3783

Company email: sale@cddtech.com

Return to factory for maintenance:

Please indicate the product failure phenomenon and your contact information, and send it back to the factory for repair at the following address.

333 Feiyue Dong Lu, Changchun High-tech Development Zone, China

Changchun Optical digital display Technology Co. LTD

Sales Department (Revenue)

Telephone: 0431-8554 3783 8462 7296

Fax: 0431-8554 3783

We will contact you for confirmation.