1.Multi-Layer PCB 2.UL,SGS,ROHS Certificated 3.OEM&ODM ... via AOL,X-ray 5.6 years export experience Multi-Layer PCB manufacturer Welcome to Eastwin! Our PCB board manufacture ... V-score,Tab-routedBoard Thickness0.2-4.0mm, Flex 0.01-0.25mmCopper Weight1.0, 1.5, 2.0 ozSolder ... *500mmMin Trace/Gap0.10mm, or 4milsMin Drill Hole Diameter0.01'',0.25mm, or 10milsSurface FinishHASL,Nickle,Immersion Gold,Immersion ...