Rotate by electricity, it can screen flour automatically. Can produce 100 jin flour at voltage of 380v, power of 3kw, diameter of 100 cm. Rotate speed is 25 rotations/min. Processing flour at low speed and low temperature, thus it can keep the original taste of the grain.

The stone is all natural green sandstone containing calcium, iron, zinc, selenium, etc. The machine can keep the original taste of wheat, corn, etc.