... , 5x, 6x, 7x seriesTemper: O, T1, T4, T5, T6, H12Shape: Square ShellSize: 300x300mm, 600x300mm, 600x600mm, 1200x600 mm--Flexible SizeSurface Treatment: Anodized ... forming, HydroformingApplication: Aluminum extruded Aluminum Frame and Back Cover for Square & Round LED Panel lights....... LED ceiling light is a new ...