Can change the seal-packing of main valves to FKM that is excellent for ozone-proof
Can change the Positive-common to Negative-common
Vacuum Pad For Packaging Bag and Fall Prevention Valve are integrated
Conductive silicone rubber for Vacuum Pad ultrathin type
Preventing damage to the work-piece (glass substrate) by increasing contacting areas to the work-piece
Can change the spring force to about half of the standard product
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