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  • Selection methods for vacuum pump system
    Selection methods for vacuum pump system The Vacuum pump function is that pumping the gas out of the chamber,reduce the gas pressure inside of the vacuum chamber to achieve the required vacuum . Genera...

  • Multi-arc ion coating machine for super hard film coating
    Taking use of multi arc ion coating technology can do coating film on metal,alloy,and electrically conductive material(substantially non-conductive material) (using high-frequency bias). Multi-arc I...

  • Heat treatment on metals (2)
    Heat treatment on metals (2)     nnealing Main article:Annealing (metallurgy) Annealing is atechnique used to recover cold work and relax stresses within a metal.Anneal...

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