TQSF series specific classified stoner has been improved on the basis of the former gravitational forceclassified stoner.it has features such as stable technological performance,ralabie running,firm structure,cleanable screen face,low maintenance etc.it esp.adoptaNO.‘8928366’patent technique.it ensures that when the feeding interrupts during stop tye operation,the feed won’  t run away at the stone outlet.it is widely applicabie for the stoning of the stuffs such as wheat,paddy,soybean,maize.sesame,malt,etc.