1.ISO9001/TS16949/ROHS 6.PCB Circuit Test Service 3.Fast delivery and high quality 4.1- ... ,FR4 Halogen Free ,Rogers,HF,NELCON,TACONIC,ARLON,etcMax. finished board size:23*25mil(580mm*900mm)Min.drilled hole size:3mil ... (0.075mm)Surface finish/treatment:HASL /HASL lead free,HAL,Chemical Gold/tin,Immersion Silver/Gold/Tin,OSP,Gold plating,Hard ...