trackless transfer trolley for the transport of coils 50 tons China Agv manufacturer, Heavy-Load Agv, 30t Backpack Lifting. 1-300 Tons Heavy Duty Motorized Motor Drive Flat Bed Die Mold Trackless Transfer Cart for Factory Workshop FOB Price: US $50,000-300,000 / Piece Min. Order: 1 Piece. battery operated transfer trolley for metaurllgy plant