At LIGHTALL, technology improvement and innovation are our core advantages. Since established, we have been focusing on developing new products, improving product quality, and serving customers. top led display manufacturers LIGHTALL is a comprehensive manufacturer and supplier of high-quality products and one-stop service. We will, as always, actively provide prompt services such. For more details about our top led display manufacturers and other products, just let us know.This product has the advantage of strong corrosion resistance. The surface of it has been processed with special oxidization and plating technique.