... .PCBA Circuit Test Service 3.Fast delivery and high quality 4.1-28 layers pcb and pcba Our ... provide you with the best service and the best quality ! KangDong Electric Technology Co.,Ltd which has ... 1,CEM-3,High TG,FR4 Halogen Free ,Rogers,HF,NELCON,TACONIC,ARLON,etcMax. finished board size:23*25mil ... red/blueCopper thickness in hole:>25.0um (1mil)Shape tolerance:plus or minus 0.13Hole tolerance:PTH:plus ...