... price quick delivery good service Material:Imported from Taiwan,Janpan NEC,BERGQUITBoard thickness:0.6-3 ... thickness in hole: >25.0 um (>1mil) The Max board size:A,board thickness≥1.2mm ... be based on SQM. C.we are just the pcb manufacturer, we are not responsible for pcb ... satisfaction is our pleasure. China High Quality pcb lead free, OSP, HASL, ENIG multilayersPCB from China in alibaba trade