"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.
Material composition: span > span > p > 50g PP non-woven fabric, The second layer is 35g activated carbon cloth, span >The third layer is 45g dustproof cotton, the fourth layer is 30g KN95 filter material, and the inner layer is 30g PP nonwoven fabric. span > p >
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