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ItemRigid PCB 
Max Layer60L
Inner Layer Min Trace/Space3/3mil
Out Layer Min Trace/Space3/3mil
Inner Layer Max  Copper6oz
Out Layer Max Copper6oz
Min Mechanical Drilling0.15mm
Min Laser Drilling0.1mm
Aspect Ratio(Mechanical Drilling)20:1
Aspect Ratio(Laser Drilling)1:1
Press Fit Hole Ttolerance±0.05mm
PTH Tolerance±0.075mm
NPTH Tolerance±0.05mm
Countersink Tolerance±0.15mm
Board Thickness0.4-8mm
Board Thickness Tolerance(<1.0mm)±0.1mm
Board Thickness Tolerance(≥1.0mm)±10%
Impedance ToleranceSingle-Ended:±5Ω(≤50Ω),±7%(>50Ω)
Differential:±5Ω(≤50Ω),±7%(>50Ω)
Min Board Size10*10mm
Max Board Size22.5*30inch
Contour Tolerance±0.1mm
Min BGA7mil
Min SMT7*10mil
Surface TreatmentENIG,Gold Finger,Immersion Silver,Immersion Tin,HASL(LF),OSP,ENEPIG,Flash Gold;Hard gold plating
Solder MaskGreen,Black,Blue,Red,Matt Green
Min Solder Mask Clearance1.5mil
Min Solder Mask Dam3mil
LegendWhite,Black,Red,Yellow
Min Legend Width/Height4/23mil
Strain Fillet Width/
Bow & Twist0.3%