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how to distinguish the air filtration chip through the external appearance?

hits:1310    date:2017-09-15

  Firstly: professional famous brands excavator bucket adaptorer production supplier said the qualify air filtration chip must be produced with the evenness steel wire hole distance on the external broadside part, but coating an uniform white color anti rust paint layer on its external appearance too. To these fake air filtration chip, which is only produced by common steel wire material, and its surface steel plate hole is very rare, some of the plate hole even breakage yet.

  Secondly: to the inner broadside steel wire net connection joints, professional famous brands excavator bucket adaptorer production supplier would welding the qualify air filtration chip with the evenness welding connection surface. But due to most of the fake air filtration chip has adopts the spot welding technique, which surface would be unevenness.

  Lastly: professional famous brands excavator bucket adaptorer production supplier said the color of purify filter paper must be milk white color, the paper character is very fine and full of evenness upper and down lines; but these fake filter paper must be the sulphur color or another colors, and full of roughness feature.
 

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