... tray manufactory in China 2. ISO9001:2008,GMC qualified 3. SGS test passed 4.Excellent loadingcapacity Material: Q235B Steel (Chinese standard ... Tray dimensions are all internal.Depth of 30,50,75,100,150mmWidths of 50mm, 100mm, 150mm, 200mm, 300mm, 400mm, 450mm, 500mm ...