• pm 2 5 protection gauze mask plant in morocco

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Knowledge and perceptions of air pollution in Ningbo, China

Nov 05, 2016 · Previous studies have shown low knowledge awareness rate (27. 9 %) about particulate matter that has an aerodynamic diameter of 2.5 microns or smaller (PM 2.5) in Guangzhou residents . But in this survey, Ningbo residents showed a higher awareness level at the haze and its adverse impact on health despite experiencing a lower level of exposure , pm 2 5 protection gauze mask plant in moroccoCompany Overview - Spro Medical Products (Xiamen) Co., Ltd.Spro Medical Products (Xiamen) Co., Ltd. was founded in 1998. For these years development, we set up Hong Kong and Canada offices and became one of the leading medical manufacturers in China. Our factory is located in Xiamen City, China, with 50,000 square meters plant area for KN95 PM2.5 Mask Anti Dust Anti-smog Respirator Safety , pm 2 5 protection gauze mask plant in moroccoKN95 PM2.5 Mask Anti Dust Anti-virus Respirator Safety Mouth Face. Protection Class: KN95. Disposable KN95 masks, Breathable,anti dust,sanitary and convenient for using. Made of high quality material, safe, soft and comfortablereduce skin irritation.

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