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Multech PCB is a professional PCB manufacturer, specializing in prototype and small & medium volume PCB. Our products include: Flexible board, Rigid board, Rigid-flex board, Metal core board, Aluminum substrate board , Mix-material board, High Tg thick copper board, Thick gold plating board, Solder Paste Stencil, HDI board, Blind and Buried via board, etc. “Good quality, competitive price, professional services and on time delivery” is our promise. Please visit our website to know more www.mul-tech.com or www.multechpcb.com If there is something we can do for you, please feel free to let us know at any time. Thank you! PCB Production:1.1-20 Layer ragid board PCB2.Flexible PCB3.Metal board4.Lager size PCB (1000*100mm,680*800mm)5.heavy copper board :12OZ double PCB6.Mobile computer PCBLayer:1-20 .layer Rigid PCB 1.MaterialFR-4,CEM-1.FR-4 HIGHT TG(170) Rogers,Halogen Free FR-4.material(170) Surface Finish: 1).HAL,HAL LEAD Free.OSP(Entek).Immersion Gold.Immersion Tin/Silver Flash Gold 2).Solder mask:LPI,Green/Red/Blue/Yellow/Black Silkscreen:White,Yellow Carbon lnk,Available Peelable Mask available 3.Board thickness:from Min.0.2mm to Max.6.0mm4.Copper Thickness:0.5 oz)---12oz)5.Conductor Trace and Gap:Min.0.125.(5mil)6.Drill hole:Min.0.2mm(8mil)7.Tolerance: 1).Hole Diameter:+/-0.05mm for PTH,+/-0.025mm for NPTH, 2).Hole Position:+/-0.025mm 3).Outline:+/-0.1mm 8.PTH wallthickness;0.025mm9.Min.S/M Bridge:0.12m