... with parts list provided by customers * PCB board made, circuit board parts purchased by us * PCB board with parts assembled * Electronic testing circuit ... V-score,Tab-routedBoard Thickness0.2-4.0mm, Flex 0.01-0.25mmCopper Weight1.0, 1.5, 2.0 ozSolder MaskDouble ... 500mm*500mmMin Trace/Gap0.10mm, or 4milsMin Drill Hole Diameter0.01'',0.25mm, or 10milsSurface FinishHASL,Nickle,Immersion Gold,Immersion Tin ...