... -Copper weight:0.5OZ,1OZ,2OZ,3OZ-4-4mils track width spacing-0.2mm min finished hole size-Certificate: UL, ROHS ... -Company management: ISO9001:2000-Markets: Europe, America, AsiaOur PCB Production line Capability for your referrence1)Layer:from 1 to 202)Board ... .drilled hole size:3mil(0.075mm)8)Min.line width:3mil(0.075mm)9)Min.line spacing:3mil(0.075mm)10)Solder mask ...