... price 2, high quality 3, quick delivery 4, considerate service pcb board for LED display 1-12 layer:FR-4, AluShort lead ... ): 400*350mmD, Board thickness (0.4mm): 350*300mmE, Single-sided board: 606*530mm (board thickness>1.2mm)F, Six-layer pcb: 430*430mmG, Eight ... -layer pcb: 430*430mmH, More than ...