Sanding Machines Probably Has Gone Through Several Stages Of Development

- Dec 28, 2016 -

First stage: → vertical stirring mill (separator + bottom screen bar grinding original)

Second stage: → vertical disc sanding machine (disc + top sieve separator)

Third stage: → vertical pin sanding machine (bar + top separator)

Phase IV: horizontal → disc sanding machine (disc + dynamic centrifugal separator)

Fifth stage: → horizontal pin circular sanding machine (bar + large filtering area separator)

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