Jotun polishing machine/ China stainless steel sheet plate flat surface automatic polishing machine This is JT-PM sheet surface polishing machine, Producting workpieceï¼? Material:Metal(stainless steel,carbon sheel,etc.) Min and max width:1000-3000mm, Min and max thickness:>5mm Surface roughness:Raâ?¤0.3�¼m Shipment port:Shanghai port. Delivery time:30 working days Payment: T/T, L/C Warranty: 12months.