... commitment 4,First-class service 5got UL,SGS certification &good q Our PCB Production line Capability for your referrence1)Layer:from ... -PCB,Rigid-PCB,Flex-rigid PCB,HDI PCB ,PCB of single,Double and Multi-layers,High frequency PCB ,etc6)Max. finished ... ,Beveling17)PackingInner :Vacuum packing/Plastic bagOuter :Standard carton packing quality single side flexible multilayer printed board oem