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2020-12-29
Three factors to consider when choosing anion detector
Choose anion detector to consider the following questions: 1, use Now on air negative ions monitor type is various, the use of places is also a lot of different, before the choose and buy is thus needed to establish where he was going to us...
2020-12-29
Types and hazards of indoor air pollutants
Indoor air pollutants mainly come from decoration. Decoration materials, boards, paint, wall paint, glue, new furniture, adhesives and other widely used decoration materials are easy to produce pollutants harmful to human health. formaldehy...