... in our factory.pcba,electronic component,circuit board,supplier,10years experience. pcba, electronic component,circuit board,pcb supplierOur product developed most recently ... FR4 Halogen Free,FR-1,FR-24) Max. finished board size: 1500mmx500mm 5) Min. drilled hole size: 0.3mm6) Min. ... Gold, Immersion Silver/Gold, OSP, Gold plating 8) Copper thickness: 0.5-2.0 OZ9) Solder mask color: green/yellow ...