Our products have been tested by NSF in the United States and have reached the NSF standard. On April 21, 2017, we are authorized to use the NSF logo. Therefore, any product that is authorized to bear the NSF logo means that the product is confirmed in the following aspects:
1. The ability to remove impurities marked in the product specification can be achieved;
2. The materials that make up the product do not add contaminating components to the water during the process of treating the water;
3. Meet the design and production process requirements;
4. There are no structural and functional defects in the product;
5. The certification standards shown in the advertisements, sample materials and logos of the products are true and accurate.