... is small, light weight Good sealing performance Good warranty time Screw ConveyorIt is a compact structure, cross-sectional area is small ... , small block of bulk materials such as clay powder, coal, cement, sand, grains, small lump, pebble, and cast-iron chips and ... sticky, easy caking, perishable materials. Configured in the form of screw conveyor according to the level, tilt and mix in the ...