... ROHS compliance 4.small accepted Reference-Our Production Capability for led pcb 94v0Layer:1-40Board finished thickness:0.21mm-7.0mmMaterial: ... Halogen Free ,Rogers,HF,NELCON,TACONIC,ARLON,etcMax. finished board size:23*25mil(580mm*900mm)Min.drilled hole size:3mil ... ,Routing ,V-CUT,Beveling Product range:Flex-PCB,Rigid-PCB,Flex-rigid PCB,HDI PCB ,PCB of single,Double and Multi-layers,High frequency ...