... , the machine wide applicability for example: soybean, sunflower, rice and other crops are difficult to stone effect, upon detecting ... millet, millet, sesame and other lighter crop.QSC-2.8 type blowing gravity: small size, light weight, high efficiency, low ... energy consumption, simple structure, stable running, safe and reliable.Type QSC-5type specific-gravity Stoner : a mature technology, low noise ...