... quick sample 4)Various Size LED Intelligent Light Power-300W POWER SPULYSpecification:Material: Alluminum Alloy: 1x,2x ... Shell/ Case/ HousingSize: Flexible SizeSurface Treatment: Anodized, Power Coating, Sandblasting, Polishing, Grinding, Painting, Screen printing, ... Power Supply, # PC Power Suply, # Lighting Transformaer... which is popular useing all areas including Electronic area, such as Computer ...