Free Technical Support
If you experience difficulty during the installation or subsequent use of the swiching power supply, you may contact chnbest’s Technical Support department prior to servicing your system.
Two-Year Warranty:
The period commences from the date of manufacture appearing on the Product label of the original Product purchase
warrants to the original end user customer of its products specified below that its products are free from defects in material and workmanship
Subject to the conditions and limitations set forth below, chnbest will, at its option, either repair or replace any part of its products that prove defective by reason of improper workmanship or materials. Repaired parts or replacement products will be provided by chnbest on an exchange basis, and will be either new or refurbished to be functionally equivalent to new. If chnbest is unable to repair or replace the product, it will refund the current value of the product at the time the warranty claim is made.
Warranty Limitations 
This limited warranty does not cover any damage to this product that results from improper installation, accident, abuse, misuse, natural disaster, excessive electrical supply, abnormal mechanical or environmental conditions, or any unauthorized disassembly, repair, or modification.
To obtain warranty service, you may return a defective product to chnbest in china. Typically, you must include product identification information, including model number and serial number (if applicable) with a detailed description of the problem you are experiencing. Chnbest will not be responsible for any expenses incurred for utilizing the freight and custom clearance fee.