Let me tell you about the production process of Civil Protective Mask, which is common in our market. If you cut out the mask, you can see that there are at least 3 layers of non-woven fabric.
By using the difference in the volatility of the components in the liquid mixture, the liquid mixture is partially vaporized and the vapor is partially condensed, so as to achieve the separation of th...
We have Civil Protective Masks on sale.
Wastewater Treatment By Air Oxidation is a kind of chemical treatment method for wastewater. It is a method of using strong oxidants to oxidize and decompose pollutants in wastewater to purify wastewa...
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