... cost & fast delivery 2.NO MOQ PCB board 3.Free sample before production 4.RoHs complaints electronic HDI PCBwe can provide you ... —18L, HDI20-28 , HDI MaterialCEM-1,CEM-3,FR-4, High TG FR-4 , Halogen-free FR-4 , aluminium ,Ceramic(96% Alumina) Teflon,PTFE ... %±5%Thickness Tolerance( t<0.8mm) ±10%±8%Minimum Line / Space 0.10mm 0.075mm Trace width Tolerance 15%-20%10%Minimum Drilling Hole (Mechanical ...