
Water Softener Salt Tablets Passing Us NSF Drinking Water Certification. NSF Drinking Water Certification: Passes US NSF Drinking Water Certification and EU EN973A standard. High Purity Guarantee: Purity up to 99.8% using food-grade deep well rock salt. Extended Equipment Life: Extends water softener service life by more than 30%. Full-Scenario Adaptability: Suitable for household, hotel, biopharmaceutical, and medical dialysis applications. Large Production Capacity: Annual capacity of 80,000 tons across two production bases. Industry Standard Setter: Drafting unit for national standards QB/T5685-2022 and QB/T5775-2022. CNAS Laboratory Quality Control: Strict quality analysis from raw material to finished product delivery. OEM and ODM Services: Offers full customization, minor customization, and sample-based options.