NASC Co. Ltd. , is a high corporation dedicating in research, development, production and marketing on photoluminescent raw material & relating products. Photoluminescent products are playing new role in art, industrial and safety signs as they can absorb and store the energy after excited by lamp or other light sources. After excited shortly by the light sources, photoluminescent materials can emit light in the dark place more than 12 hours in the recognizable light intensity (0. 32 mcd / m2) . These materials have been made by aluminum oxides and they are not including phosphors or any radioactive element so they are harmless. For the first time in the middle-east, NASC Company, has started to research on GLOW IN DARK product since 2003 and now, we proudly offer you our glow in dark safety signs in best quality with least price. Our other products are: Glass, ceramic, paint, pigments, plastic, candle, safety signs and boards which are all glow in dark.