◆ The screw feeder is compact in structure, simple in operation, and convenient in installation and maintenance;

◆ Direct-coupling or chain drive can be adopted according to technological requirements; the structure is reasonable, safe and reliable;

◆ Screw feeder with bridge-breaking device can break big agglomerated material, the feature of equal diameter and variable screw pitch can reduce resistance of materials gradually, and enable screw blade to feed material evenly.