Our rice destoner machine can also used to separate stone and sand from wheat, soybean. Theoretically it can be a destoner machine of every grain whose weight are same as rice. Nowadays of our customer asked that if it can pick out stone from coffee bean. Coffee are widely planted in tropical zone. It is not a main cash crop in China so that we did not test our machine with coffee bean. We can only tell him that it can remove stone in coffee bean in theory. And we will do an experiment for him. A test video always more powerful than theory. So we purchased coffee bean from market and try to make our TQSC destining machine can also be suitable for coffee bean. you can check the test video here https://youtu.be/A-7oUIxdH0Q
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