I have experiences in runing KD10, from Chemtech, and set up multiple Chinese brand WFD.
Chemtech has great unit, it give out same result everytime after you dail in to the right setting.
Their price are high and lead time are too long. Chinese brand is a good starter machine but their vacuum cannot hold at same level over time. Once you have different vacuum level, you need to change your setting again. But their price is great. I am currently looking for reliable oversea supplier that has good design and reliability.
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