1.The inner and outer insulated shell of the expanding chamber are made of stainless steel;And the machine has the advantages of high thermal efficiency, Penetrating strong,so it can make the foamed beeds is similar to each other. 2.Set filling weight in touch screen and electronic weighing filling to realize filling accurate and automatically; 3.Adopts PLC programmable controller and touch screen,which are of high quality and effiective. 4.electronic parts, valves are famous brand, which control the whole working procedure automatically and stably. 5.The machine is more reasonable under the elaborate design, it is completed automatically from feeding, selecting, crushing, transporting to aging silo.Carefully-selected parts and reasonable machine structure make the machine run reliable, efficient and lower maintenance. 6. Inner Shell made of Stainless Steel with insulation from outside to control energy waste,AC variable speed motor & steam pressure relief valve provided to control Density