... 5.International Approvals Reference-Our Production Capability for Rigid PCB1)Layer:1-402)Board finished thickness:0.21mm-7.0mm3)Material ... hole size:3mil(0.075mm)6)Min.line width:3mil(0.075mm)7)Min.line spacing:3mil(0.075mm)8)Surface finish ... :Punching ,Routing ,V-CUT,Beveling 16)Product range:Flex-PCB,Rigid-PCB,Flex-rigid PCB,HDI PCB ,PCB of single,Double and ...