... 4.small accepted Reference-Our Production Capability for led pcb 94v0Layer:1-40Board finished thickness:0.21mm-7. ... Routing ,V-CUT,Beveling Product range:Flex-PCB,Rigid-PCB,Flex-rigid PCB,HDI PCB ,PCB of single,Double and Multi-layers,High frequency ... PCB ,etcPackingInner :Vacuum packing/Plastic bagOuter :Standard ...