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Rare Earth Phosphors activated long, it is characterized by visible light irradiation in any 10-15 minutes, can be self-luminous in a dark office up to 12 hours or more, is 30-50 times that of traditional light-emitting materials. Harmless non-toxic non-radioactive, high-brightness long, cold and heat resistance, durability exposure can be used in a variety of harsh environments, the new green light-emitting materials. Product series, and can be adjusted according to customer needs. Can be used as additives in a variety of media, made of paint, ink, printing paste, plastic, rubber, glass, products made with the material can be widely used in building decoration, military facilities, transport facilities and all needed signs night time areas.