... ,ISO14001,ROHS. circuit electronic ,pcb assembly,pcb board,rigid pcbOur product developed most recently is lower ... for Rigid PCB:1) Layer: 1, 2,multilayer2) Board finished thickness: 10%3) Material: FR-4, CEM ... Halogen Free,FR-1,FR-24) Max. finished board size: 1500mmx500mm 5) Min. drilled hole size: 0.2mm6) Min ... , OSP, Gold plating 8) Copper thickness: 0.5-2.0 OZ9) Solder mask color: green/yellow/black ...