The existing Central Plains a regional Corporation sales and our company's name (or deformed name) NEWDEF@ series of carbon based hydroxyapatite in addition to fluoride filter material products, the same name (or deformed name) of the test, the product performance is far lower than our company's production of fluoride filter material. This product is our company patented technology. Please purchase before the majority of customers to distinguish clearly, we will cooperate with customers to do the test to help you identify the NEWDEF@ series of carbon based hydroxyapatite in our company.