We are Threetek Group Limited based in Shenzhen , China. We are member of Tradekey.com since November, 2009. Our business is related to Electrical & Electronics Supplies industry and we specifically deal in FPC. Please find our product details below:FPC Manufacturer in China!material:PILayers:1-6 layersMin trace width:0.05mm, 2milsMin finished board thickness:single side:0.07mm;double side:0.12mmMin finished hole wall copper thickness:double side:12um, 4 layer:18umPI thickness:12.5um, 25umCopper thickness:12um 18um 35um 70um(1/3 OZ, 1/2 OZ, 1OZ and 2OZ)Min hole Dia:0.2mmPunching:0.5mmDimension Tolerance: Trace width: +/- 10%W:0.5mmHole Dia Tolerance:+/- 0.05mmH:1.5mmLocation of hole: +/- 0.05mmOutline Dimension: +/- 0.1mmL:50mmConductor and outline: +/- 0.075mmC:5.6mmSurface treatment:Ni Au PLating;ENIG;Pure-Tin;Immersion Tin;Plating;FPC Manufacturer in China!material:PILayers:1-6 layersMin trace width:0.05mm, 2milsMin finished board thickness:single side:0.07mm;double side:0.12mmMin finished hole wall copper thickness:double side:12um, 4 layer:18umPI thickness:12.5um, 25umCopper thickness:12um 18um 35um 70um(1/3 OZ, 1/2 OZ, 1OZ and 2OZ)Min hole Dia:0.2mmPunching:0.5mmDimension Tolerance: Trace width: +/- 10%W:0.5mmHole Dia Tolerance:+/- 0.05mmH:1.5mmLocation of hole: +/- 0.05mmOutline Dimension: +/- 0.1mmL:50mmConductor and outline: +/- 0.075mmC:5.6mmSurface treatment:Ni Au PLating;ENIG;Pure-Tin;Immersion Tin;Plating;Thank you for taking the time to go through our business profile. If there are any question, inquiry or comments, please feel free to contact us.