rail transfer trolley for metaurllgy plant 50 tons-Perfect 50 tons low voltage power rail cart steel transfer trolley $4,300.00 - $4,800.00 / Set 1 Set (Min. Order) 10 ton 25 ton Foundry plant casting transfer trolley $4,500.00 - $5,000.00 / Set 1 Set (Min. Order) Contact Supplier Heavy duty low voltage track electric flat /