Description： ● microcomputer control program, overload, lack of material alarm;
● 700G high-speed rectifier motor, small size, strong suction, suitable for the transport of old and new materials;
● 800G, 900G induction high pressure fan, low noise, long life;
● 800G reversing dust removal function automatically;
● Ingredients and hopper split design, safe, simple, independent filtration device for easy removal of dust.