... ,Like CCTV, Power supply, GPS, Set-top Box,Medical DevicesTelecomunication ,LED, etc. Manufacture CapabilityItemManufacture CapabilityLayers1-16 ... Position Tolerance(CNC)+/-0.075mmHole Dimension Tolerance(CNC)PTH: +/-0.075mm, NPTH: +/-0.05mmOutline ToleranceCNC: +/-0.125mm, Punching: +/-0.15mmWarp & Twist0. ... Silver/Gold, Plate Gold, Gold Finger Multilayer PCB with fr-4 material