Parts of screw conveyors, namely, steel coils; archimedean screw pumps; screw conveyors; reduction gears and gear motors as engine components for screw feeders; screw mixers, namely, rotary mixing machines for powdered materials for industrial purpose; screw pumps; batching machines for slaked lime; machines for preparing limewash of polyelectrolytes; agitators for anaerobic digesters; butterfly valves as parts of machines; screw feeders; shaft less screw feeders; parts of conveyor machine sy...