Time is the best friend of good quality products because it tells people the real truth.
Once again, I came across a CY vacuum cleaner that had been used for 5 years in a nearby hotel and a CY floor scrubber that had been used for 4 years in a nearby supermarket. The vacuum cleaner is still good to use. The floor washing machine that started to be used in 2020 does not seem to be well maintained through its appearance, but all functions are still good.