pcb board for LED display 1, best price 2, high quality 3, quick delivery 4, considerate service pcb board for LED display 1-12 layer:FR-4, AluShort lead timeMore than 10 years factory experienceISO9001, ISO14001,RoHS,UL,TS16949, SGS TestFactory Manufacture Capability:Layer: 1 to 12 layersMaterial type: FR-4, CEM-1, CEM-3, High TG, FR4 Halogen Free,Board thickness: 0.35mm to 3.0mmCopper thickness ...