... lines of PCB, PCB boards, PCB circuit, circuit board,electronic pcb, Copy PCB, design PCB, prototype PCB, PCB fabrication, PCB layout, we are professional PCB factory Quality ,every product through In-circuit ... .Material Mixed Laminate4 layers -- 10 layers 12 layersFR4+Ro4350 , FR4+Aluminium , FR4+ FPCMaximum Size610mm X 1200mm1200 X 2000MMBoard Outline Tolerance±0.15mm ...