... 3, quick delivery 4, considerate service high-precision multi-layer FR4 pcb 1-12 layer:FR-4, AluShort ... 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, Board thickness (0.5---1.2mm ... 400*350mmD, Board thickness (0.4mm): 350*300mmE, Single-sided board: 606*530mm (board thickness>1.2mm)F, ...