1. Five layers of protection.
2. Without breathing valve.
3. The first layer: 50 grams of non-woven fabric, the second layer: 25 grams of hot air cotton; the third layer: 25 grams of 99% melt-blown fabric; the fourth layer: 25 grams of 99% melt-blown fabric; The fifth layer: 25 grams of non-woven fabric.
4. Optional internal and external nose bridge.
5. Complete export qualifications, with CE, FDA, ISO certificates.
6. Ministry of Commerce White List.
Supplier: Nickel sludge, zinc ash, copper ore, lead ore, chrome ore, manganese ore, bauxite ore, iron ore, iron ore pellets, tin ore, ir64 rice, ir 64 5% broken rice, zinc ash, raw red chilli, chrome ore, iron skull, 1121 sella white basmati rice, 3 ply surgical masks
Buyer: Zinc ash, copper concentrate, lead ore, tin ore, nickel sludge