... 4.Quick reply. Our comments on the Best Quality Stainless Steel Trolley: 1.Steel trolley well set,corrugated panel make the loading more stronger ... wall and etc;5.Can be stacked;6.Surface treatment: Brush or Mirror. We specialized in sheet metal ... ,Mig Welding,Riveting, Grinding,Stamping, Assembling,etc. Surface treatment: Powder coating,Hot galvanized,Painting,Polishing,Brushing,Cataphoresis,Chrome/ ...