This kind of products is based on the alkaline earth aluminate for main content as raw material. This inorganic products after absorbing visible lights for 10-30 minutes, They will glow in the dark at least 12 hours. They are none of toxic and free from any radio activity and with widely used. Luminescent ceramic glaze is based on the conventional ceramic glaze, composed with our photo luminescent pigments. It is widely used in the ceramic fields of construction, daily used and arts and crafts. Now we have low and middle temperature two series of luminescent ceramic glaze.