Yes. Yiyan Herbal Drops is a product of the famous Shandong Yiyan Herbal Biotechnology Co., Ltd. in China. It is a company engaged in the R&D, production and technology transfer of traditional Chinese medicine, cosmetics, food, disinfection products, and the cultivation, development and sales of medicinal plants. , this product has passed the relevant certification of the State Food and Drug Administration, and has the corresponding patent in China, and is a regular product.