LED can save a lot of electricity to the state and consumers, to save a lot of working hours are. LED the development of application technology, add new vigor to the competitive advertising. Its unique, different light conditions, by widespread application in the field of advertising products production. Different have different specifications of the LED light Angle and different brightness. So, how to give different products to choose the appropriate LED, make its can maximize efficacy, and to minimize the cost? Now let's look at xinxiang kang in electrical technology co., LTD, professional advice. LED in the application of luminous word and attention using three-dimensional light-emitting word for light source mainly has the following requirements: A complex and different projects, LED light-emitting character glyph of different specifications, the required source ?