... commitment 4,First-class service 5Prompt Delivery and competitive Our PCB Production line Capability for your referrence1)Layer:from 1 to ... &Soft gold,Plating tin,5)Product range:Flex-PCB,Rigid-PCB,Flex-rigid PCB,HDI PCB ,PCB of single,Double and Multi-layers,High frequency ... )9)Min.line spacing:3mil(0.075mm)10)Solder mask color :Green/yellow/black/white/red/blue11)Copper thickness in hole ...