Onions were probably one of the first crops grown because they were less perishable than other foods of the time, easy to transport, easy to grow, and could grow in a variety of soils and climates. Onion varieties can be yellow, red or white. About 87% of the crop is used for yellow onion production, about 8% is red onion and 5% is white onion.

Onions range in size from less than 1 inch in diameter to over 4.5 inches in diameter. The most common sizes retailed in the United States are 2 to 3-34 inches in diameter. Due to different market demands for onions, in order to sort out the best quality onions more efficiently, Fstsort onion grading machine consists of an elevator and a sorting machine, which is easy to use and maintain. Because the grading portion of the equipment is adjustable, it can accommodate many different root crops. If you are looking for the right onion sorter, then come and contact us!