Ultra slim light boxes: 1.over 90% Uniformity 2. high-tech laser-dotting tech. 3.LED source High Luminosity Slim LED Light box: Ultra-slim, Ultra-shine, energy-saving, even luminosity, durable,fashionable, never yellowed, easy intallment and maintainence. Single side or double side, differnt size. 1. Adopt high purity optical acrylic sheet and high-tech laser guidence moulding technology2. ...