Duofan and Xidu have their own brand names, which are authentic. Xidi brand is a series of products owned by Henan Haiyuan Industry and Trade Co., Ltd., which was established for 25 years and has a high brand awareness, and cooperates with many internationally renowned brands. Duoxi is a minority brand, and its trademark registration was successful on September 7, 22. Features of genuine products: there are anti-counterfeiting labels or anti-counterfeiting inquiry numbers; Excellent design. Products that are produced in accordance with relevant national laws and standards and meet the requirements are not three-no products.