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.
