... board, electronics past UL,ISO9001,ISO14001, ROHS pcb board,electronic component, circuit pcb, electronicsOur product developed most recently is lower priced ... Free,FR-1,FR-24) Max. finished board size: 1500mmx500mm 5) Min. drilled hole size: 0.3mm6) Min. Line width: 0 ... , Immersion Silver/Gold, OSP, Gold plating 8) Copper thickness: 0.5-2.0 OZ9) Solder mask color: green/yellow/black/white ...