... NPTH:plus or minus 0.05Certificate:UL,ISO9001,ISO14001,SGS,RoHS complianceSpecail req.Buried and blind vias+controlled 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 ...