... , high quality 3, quick delivery 4, considerate service pcb board for LED display 1-12 layer:FR-4, AluShort lead timeMore than 10 ... TestFactory Manufacture Capability:Layer: 1 to 12 layersMaterial type: FR-4, CEM-1, CEM-3, High TG, FR4 Halogen Free,Board ... *300mmE, Single-sided board: 606*530mm (board thickness>1.2mm)F, Six-layer pcb: 430*430mmG, Eight-layer pcb: 430*430mmH ...