We are founded in 1997 in china, Guangzhou city, specialize in photo-luminescent pigment . The pigment is well sold around the world because of very good afterglow luminance and competitive price. Afterglow luminance and pricelist are as follows,Some grades of our product are not listed, and we can product according to your requirement or your samples .We are glad to recommend you our Water-proof long afterglow photo-luminescent pigment invented , This kind of pigment is not soluble when you keep it in water solution , but afterglow will keep as when you place it where is dry. This kind of pigment can be used in water- based medium , for example make water soluble paint or outdoors where is moist sometimes or where water is need. If you like to get and see our sample please tell us you postal address, then we can send sample as soon as possible, If you have any question or information about our company or our product, please contact us, we will do our best to tell you anything which you need. We are looking forwarding to building up business relationship with you and your company if you expect.