... 4.ISO,UL,RoHs,SGSetc We can produce single-sided printed board(ssb), double-sided printed board(dsb), multilayer PCBs, HDI PCBs, FPC ... . Board Size600mm*800mmMin. Board Size5mm*5mmWarp ageSingle-side<1.0%,Double-side<0.6%,Multilayer<0.6%Min. Thickness & Tolerance0.2mm ... . Hole Space & Tolerance0.4mm+0.076mm (15.75mil+3mil)Hole Wall Thickness20-25um (0.79mil-1.0mil)Hole Position Deviation+0 ...