... different types of stoner:QSC-5X type blowing gravity is my company in 2009 launched a new equipment, the machine wide ... millet, millet, sesame and other lighter crop.QSC-2.8 type blowing gravity: small size, light weight, high efficiency, low ... simple structure, stable running, safe and reliable.Type QSC-5type specific-gravity Stoner : a mature technology, low noise and environmental protection dust ...