Declaration of Compliance

August 5, 2025

Re: Per- and polyfluoroalkyl substances (PFAS) Declaration

Dear Valued Customer,

This is to certify that none of the products sold by ZHENGZHOU DEWENWILS NETWORK TECHNOLOGY CO., LTD contain any Per- and polyfluoroalkyl substances (PFAS) as raw materials.

It is to be noted that many substances are omnipresent. The observance of all these substances is not part of our suppliers ongoing production control. It is the obligation of the recipient of our products to ensure that any exclusive rights, existing laws and legislation are respected.

ZHENGZHOU DEWENWILS NETWORK TECHNOLOGY CO., LTD is committed to compliance with government regulations and industry standards for the environmental health and protection as well as continually striving to meet the needs of our customers.