Electromagnetic vibration feeding machine: 1.long durability; 2.electromagnetic vibration principle. 3.customer made size. Electromagnetic vibration feeding machine 1,used ... supply material for chain hoist.2,adopts the electromagnetic vibration principle3,convey material to hoist hopper ... free8,be loved by customers custom-made size Machine typeYTD-Z150 Hopper capacity150 LConveying capacity3-7M3/ ...