Shenzhen Lead Optoelectronic Technology (1)

12.12.2014 09:35 Новости
Is LED light really harmful to the eyes
In recent years, as the production and marketing of energy saving products as well as enhancement of our energy saving awareness, incandescent gradually fade out of our lives, which is replaced by a new type of fluorescent lamps and light emitting diodes(LED. But it also brings trouble to our...