1, Doelger: It is a German medical safety technology enterprise and can be said to be the founder of mask production. The mask production process is perfect, and the special police mask production effect is good, which has been loved by users.
2. Nanhe: The main products are dust masks, filter gas masks-canisters, self-contained air respirator and other protective articles. Special police masks refer to police masks, which are mainly designed and used for police. It has dustproof and antivirus functions. Swat masks are generally five-layer filtration, with PTFE nano as the core filtration membrane, high-grade poplin fabric as the main material, double-layer vacuum spunlace cloth and antibacterial cotton square cloth, and can also be washed repeatedly.