1.single-sided composite al base pcb board 2.Fast delivery,competitive price 3.ROHS, UL, ... composite al base pcb board2. high quality3. Fast delivery and competitive price4. Certificate: ROHS, UL, ISO9001-2000, ISO14001Our Manufacturing Capability for PCB BoardMaterial ... PCB48-hour for 4L PCB72-hour for 6L and 8L PCB120-hour for 10L or more layers PCB at the soonest al base for 1-layer ...