1． High reliability: The construction with veneer in the whole system, eliminated connection insert-pin, decrease the jointing-points 24000 per each square meter, the reliability of entire finish welding technique has increased 100 times.

2．Best effect: vertical range Red, Green, Blue bulbs close, to make the color vivid and enlarge the viewing area ,special design make it avoid reflect of other light, slick surface and without gap.

3． Best Protect: frontispiece glue encapsulation, bestrow rear, improving the ability to emanate the heat, suitable for some terrible environment such as high temperature and high humidity.