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  • Vacuum and negative pressure
    Vacuum and negative pressure Relationship between the vacuum and negative pressure, the vacuum is a negative pressure it? Refers to a negative pressure vacuum it? Let's understand the concept of a vacu...

  • Vacuum coating equipment coating surface treatment
    Vacuum coating equipment coating surface treatment In recent years, the development of new coating surface treatment combines permeable, stable, transformed characteristics, while the structure has...

  • Vacuum Furnaces,VAR Furnace
    Shanghai Gehang Vacuum Technology Co.,Ltd.  designs, engineers, and builds a wide range of advanced vacuum and controlled atmosphere furnace technologies for the processing of metals, specialty alloy...

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