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  • 182017-08
    waterproof level

    Waterproof level introduction Customer have a inquiry with us,whats the waterproof level,how to confirm what kinds of level they need? waterproof level symbol is IPXY,X means dust proof level,Y means waterproof level,X value can be 0~6,Y value can be 0~8,exact meaning: IPX8 Dust proof level Defensible dust particles size 0 …

  • 172017-08
    The difference between sleeve bearing and ball bearing

    The difference between sleeve bearing and ball bearing 1.Price: ball bearing is expensive than sleeve bearing;2.life time: life time of ball bearing is most twice longer than sleeve bearing fan;3.High temperature resistance: ball bearing can work in high temperature in the long term,but sleeve bearing fan cannt;4.Initial no…

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