... sample 4)Various Size LED Intelligent Light Power-300W POWER SPULYSpecification:Material: Alluminum Alloy: 1x,2x, ... Rectangle Shell/ Case/ HousingSize: Flexible SizeSurface Treatment: Anodized, Power Coating, Sandblasting, Polishing, Grinding, Painting, Screen printing, ... the cover of Switching Power Supply, # AC/DC Adapters, #Uninterupted Power Supply, # PC Power Suply, # Lighting Transformaer... ...