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Light the whole automatic line including double barrel finishing machine, vibrating finishing machine, conveyor, conveyor, conveyor, magnetic separator, magnetic separator, spiral dryer, sewage processor, storage hopper, conveyor belt, packing boxes, electronic scale, feeding machine and electrical control cabinet. Light the whole automatic line for smaller and larger workpiece simultaneously thefamily processing, and the automatic line layout is reasonable, small floor space, greatly reduced the factory space, save resources.