Walking on the street after get off work at night, whether it is overwhelmed with dazzling billboards, or beautiful buildings, dream-like leisure parks, and dazzling landmark buildings, they are all made of these technology products. LED inj...
Traditional fluorescent lamps use mercury vapor as the light source, which has poor color reproduction and contains mercury vapor that is harmful to the human body. Nowadays, with the development of science and technology, LED back lights ar...