After years of solid and rapid development, LIGHTALL has grown into one of the most professional and influential enterprises in China. led display screen for advertising outdoor We have been investing a lot in the product R&D, which turns out to be effective that we have developed led display screen for advertising outdoor. Relying on our innovative and hard-working staff, we guarantee that we offer customers the best products, the most favorable prices, and the most comprehensive services as well. Welcome to contact us if you have any questions.Many design factors of LIGHTALL have been taken into consideration by our designers during the preliminary stage. These factors include thermal resistance, materials, fin efficiency, and spreading resistance.