After years of production technical improvement, the service life and stability of CDWG CO₂ laser tubes have been greatly improved. In order to bring benefits to our customers, Weeson Tech has decided to adjust the warranty period of some CO₂ laser tube models, shown as follows:

The warranty period of other models of CO₂ laser tubes remains unchanged. The calculation of warranty period is based on the delivery time. This policy will be effective on July 1, 2018.

For details of the warranty policy, please refer to the "Quality Assurance Policy of CO₂ Laser Tubes" and "Return Policies for CO₂ Laser Tubes".