... High quality, low cost & fast delivery 2.NO MOQ PCB board 3.Free sample before production 4.RoHs complaints electronic HDI ... you all lines of PCB, PCB boards, PCB circuit, circuit board,electronic pcb, Copy PCB, design PCB, prototype PCB, PCB fabrication ... ±0.05mm PTH:±0.076MM NPTH:±0.05mmMini hole ring (single 0.075MM0.05MMOuterLayer Copper Thickness 17um--175um175um--210umInnerLayer Copper Thickness ...