1,100% raw materials, high-quality domestic material.Fabrics-Lining, Middle, Outer, Filter & Earband. Nose wire Heavy metal content test: below detection range, PHTHALATES content test: below 0.01, very safe material.
2,Purity test-above KN95. Passed (can filter and isolate acid and alkali, fluorescence, formaldehyde, pigmen.
3,Management and self-testing of quality management commission contracts with recognized institutions certified
4,Continue strict management and safety evaluation.
5,Thorough quality management from raw material production to finished product storage and sales channels.
6, Immediately discard substandard products and inventory through batch management and logistics system integration.