A cross flow fan is mounted at the lower part of the machine forces air through and inclined oscillating perforated tray which stratifies the material according to differences in specific gravity and separates the heavier impurities like stones, nails and iron particles This principle means almost impurities move upward to the stone collection box in front of machine while ice grains gravitate to the rice outlet in back door.

Efficient and precise separation stone-like and heavy matters by density difference.

Coffee bean will be float on screen surface and backward to outlet spout.

Separately collections of stones and dust particles from aspirator.

Sturdy rigid and heavy duty construction.

Easy to operation machine.

Low maintenance costs and one-year parts warranty.

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