... :FR-4,CEM-1,CEM-3,High TG,FR4 Halogen Free ,Rogers,HF,NELCON,TACONIC,ARLON,etcMax. finished board size:23 ... .line spacing:3mil(0.075mm)Surface finish/treatment:HASL /HASL lead free,HAL,Chemical Gold/tin,Immersion Silver/Gold/Tin,OSP,Gold ... ,ISO9001,ISO14001,SGS,RoHS complianceSpecail req.Buried and blind vias+controlled impedence+BGAProfiling :Punching ,Routing ,V-CUT,Beveling Product range:,Rigid ...