Chinese Yonghui group   

Yonghui noctilucent powder (luminous pigment) characteristics of light dark \ \ light absorption, luminescence. The light absorption of sunlight, lighting, environmental stray light of all kinds of visible light, the darkness can be automatically continuous light, indicating more information to people in the dark. The no power supply, through the detection Chinese Institute of metrology, this product is non-toxic, non radioactive, chemical stability. The excitation condition of low, sunshine, general lighting, environmental stray light can be used as excitation source. The high brightness, long luminous time, far exceeding the requirements of fire evacuation. The simple installation, convenient maintenance. According to the actual need of public places