The way to check the authenticity of Doron Paul trolley cases is to log in to the official website of the China Trademark Network. Because the last step in the production of Doron Paul trolley cases is to affix a barcode to authenticate the authenticity. We have received many After purchasing the Lun Paul trolley case, you can first log in to the official website of China Trademark Network, click on anti-counterfeiting identification, and enter the barcode to show the authenticity.