... can be material from the container directiy to the mixer,reactor,hopper,tablet machine,packing machine,vibrating screen,gtain machine,wet hair ... location above the hopper,the vacuum feeding machine to stop feeding,when the material below the hopper of a position, ... .Compact,easy disassembly,no dead ends8.Easy to install,light weight,small size9.Corrosion resistance10.Transmission capacity,the inner ...