... guaranteed 4,Small Order accepted 5,Quality Approvals HDI PCBReference-Our Production Capability for Rigid PCBLayer:1-40Board finished thickness:0.21mm ... impedence+BGAProfiling :Punching ,Routing ,V-CUT,Beveling Product range:Flex-PCB,Rigid-PCB,Flex-rigid PCB,HDI PCB ,PCB of single,Double and Multi-layers,High frequency ...