Shandong grand nite-glow technology co ltd. Is a high-tech enterprise which deals with research, production and sale of photoluminescent pigment and its related nite-glow products. To be a main manufacture and supplier in North China, we taking rare earth that has a great reserve in China as an important raw material and compounded through special technologies. They have the advantages of short activating time, long afterglow, high brightness, various e