... quality 3, quick delivery 4, considerate service pcb board for LED display 1-12 layer:FR-4, AluShort lead timeMore than ... hole: >25.0 um (>1mil) The max board size:A, Board thickness ≥1.2mm and Not Jack panel: 605* ... 530mm. (HASL board: 605*450mm)B, Board thickness ≥ 1.2mm and Jack panel: 550*400mmC ... , Routing, V-CUTCertificates: UL, ISO 9001, SGS pcb board for LED display