... 4,First-class service 5got UL,SGS certification &good q 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 ... PCB ,etc6)Max. finished board size:23*25mil(580mm*900mm ...