Keep the dry barrel full at any time and ensure that the rubber particles in the barrel reach 100% complete drying. It saves manpower and avoids the danger of climbing up filling materials. Feeding automation. Plastic materials are fully transported into the drying barrel, which will not scatter outside the barrel and keep the factory environment clean. The 300G model is equipped with dust collecting bags (cleaning without disassembly of main machine); 700G and 800G have reverse automatic pressure clearing function.