Ji'nan Rainbow Technology Co., Ltd.   

Luminous powder production of luminous powder, our professional, this product is non-toxic, harmless, non radioactive, in the daytime or natural light, light storage 10-15 minutes, in the dark can continue to shine for more than 10 hours, can be used as an additive is added directly to the various kinds of products to meet customer demand, timely to various light-emitting products! Our products are of good quality, low price, welcome to our customers call Advisory purchase! ...