... 2, high quality 3, quick delivery 4, considerate service pcb board for LED display 1-12 layer:FR-4, AluShort lead timeMore ... *530mm (board thickness>1.2mm)F, Six-layer pcb: 430*430mmG, Eight-layer pcb: 430*430mmH, More than eight layers: 270*280mm ... carton packingProfiling: Punching, Routing, V-CUTCertificates: UL, ISO 9001, SGS pcb board for LED display