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Both natural ventilation cooling towers and mechanical ventilation cooling towers can generate noise, affect people's lives, and cause environmental pollution. So what are the factors that generate noise?

When the coupling is in operation, if the coupling bolts become loose or slip out, the normal operation of the mechanical equipment will be affected.

Rare earth permanent magnet material is a high-performance magnetic material. Among them, Nd-Fe-B permanent magnet, the third generation permanent magnet material, has ultra-high magnetic energy product, Coercivity and energy density.