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  • The requirements for vacuum packaging materials
    The requirements for vacuum packaging materials During vacuum packaging and inflatable packaging, except for the right choice of packaging means and gas components, the choice of a good packagin...

  • The main factors affecting the performance of the Roots pump
    The main factors affecting the performance of the Roots pump 1. Roots pumps are vital parts of the rotor, the rotor is the key to its profile. The outer surface of the wire cross-section of the rotor i...

  • Low vacuum pumping unit
    Low vacuum pumping unit Main features low vacuum unit is high working pressure, large displacement, but the low ratio of high vacuum pumping unit. Used for roughing vacuum chamber and a large amount ...

 
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