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  • Welding technology and application coating equipment ball
    Welding technology and application coating equipment ball The main specifications for the 40 "-Class600,48" large diameter high pressure -Class600 and 48 "-Class900 all-welded ball valve is one of ...

  • Metal locks and vacuum coating equipment industry
    Metal locks and vacuum coating equipment industry Metal locks companies in order to obtain long-term development not only need to focus on quality, the pursuit of innovation, but also need to rack ...

  • Vacuum pump oil Introduction
    Vacuum pump oil Introduction Vacuum coating manufacturers said that in the vacuum pump oil pump vacuum to obtain not only as a medium, but also on the mechanical friction point lubrication, cooling a...

 
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