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"CM Chaomei" believes that our philosophy of “Science and Technology for Continuous Innovation" will lead to high-quality products, affordable prices and professional service that will win the confidence and trust of our customers.
Model: New 2002 section style: flat Wearing style: Ear-hook style Call Gas Valve: None Filter level: KN90 yan color: ; White live sex char: ; None Execution standard: < / span > GB2626-2006 Obtained certification: LA, National Industrial Production License Packaging specifications: 600 pcs / box
Material composition: The surface layer is 40s gauze, the second layer is 20g KN95 filter material, the third layer is 45g hot air cotton, and the fourth layer is 45g non-woven fabric; fold a total of eight layers.