Customer's evaluation:Recently,Grotech engineers success to install and debug 5 chutes beans color sorter for us.We have a variety of materials to sort.The color sorting machine increased the production greatly, created the benefit for us, and won the praise of our customers.Our customers will be able to cooperate with us for a long time, and our company will serve the customers with a higher enthusiasm and provide the most professional pre-sale and after-sales service.