... ,FR4 Halogen Free ,Rogers,HF,NELCON,TACONIC,ARLON,etcMax. finished board size:23*25mil(580mm*900mm)Min.drilled hole size:3mil ... minus 0.05Certificate:UL,ISO9001,ISO14001,SGS,RoHS complianceSpecail req.Buried and blind vias+controlled impedence+BGAProfiling :Punching ,Routing ,V-CUT ... PCB ,etcPackingInner :Vacuum packing/Plastic bagOuter :Standard carton packing single layer printed circuit board