An evaluation was performed by the supplier and could not confirm the customer complaint for the device is over pressurizing.A visual inspection was performed and showed the upper and lower casing has scratches, the tube set holder paint coat is chipped, the front design is dented, and the hand wheel rubber tip is worn.Functional inspection was performed and the initial self-test passed, no errors occurred.Function testing was conducted and the pressure test and flow test were found to be in specifications.No manufacturing related defects were observed.
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