Advantages：

1. Automatic frequency control, high efficiency and energy saving.  The receiving hopper can automatically control the conveying speed according to the potato flow input of the potato transporter.  It not only realizes the conveying is not congested, efficient and fast, but also reduces energy consumption, protects the machine and is durable.

 2. Automatic sorting, high commodity rate. The potatoes reach the top of the hopper through the conveyor belt. While removing the clay on the potato skin, the potatoes are sorted according to their sizes and entered into different transportation channels. At the same time, the sundry items are separated in the small potato channel, so that the potatoes can be stored and sold in different grades according to their sizes. 

3. Flexible sorting, size controllable.  The potato sorting device can control the size of potato sorting by adjusting the gap size, and the sorting grade is flexible and controllable.

4. Gentle soil cleaning, do not hurt potato.  The potato sorting device at the top of the hopper adopts special elastic material, which ensures the gentle removal of clay on the potato surface and does not hurt the potato at the same time.

5. Consistently high and precise separation performance of up to 90%. Far less staff are required to check for waste products and therefore this allows for considerably lower labour costs.