... cafes, bars, supermarkets,5, beauty salons, foot massage6, dance hall, chess room, gym,7, cinemas, stadiums, office ... 700mmMin.panel size5mm*5mmBoard warpagesingle side<=1.0%double side<=0.6%multi-layer<=0.6% ... registration accuracy±0.2mm(±8mil)product typesingle side double side multi-layer and flexible boardBase MaterialFR-4 ... bellow, we will reply you within 12 hours. Double Sided PCB for LED Sign