Immersion Gold Lead Free 1oz Copper Fr4 4 Layers PCB Printed Circuit Board

Professional PCB ManufactoryELECSOUNDOur PCB factory has obtained ISO 9001 and UL, and we specialize in single, double-sided, 4 layer to 8 layers at a very competitive price with excellent quality. Lead time is 7 to 10 days only. Professional PCB Manufactory in shenzhen,China   Printed Circuit Board Customized Manufacturing according to Gerber Files or original source file Applications Medical Equipment Vehicle Device Industrial Equipment Security Device Power Supply Device Communication Device Consumer Electronics Device Computer Products   ELECSOUND is a professional PCB manufactor with 10 years' export experience. Located in Shenzhen, China. We have skilled and professinal staffs for production line. We can supply FR-4,  metal core aluminum based, polyimide, etc.   We produced custom PCBs as below: Single-sided PCB, double-sided PCB, 4 layers PCB, and multilayer PCB.   We provide different surface finished as customized, such as: HASL lead free, ENIG, hard gold plating, OSP, Rosin, etc. Files format available as below: CAM350 Gerber file, Protel 99 SE   ContentCapabilityMaterialFR4,  TG130, TG140, TG160, TG170Surface treatmentHASL,Chemical Tin,ENIG(Immersion GOLD),OSP,IMT,Plating silver,GOLD FingerLayersSingle-sided,double-sided,4 layers, 6,8,10,12 LayersMaxi. board size800mmX508mmLine width/space0.1mm/ 0.1mmBoard thickness0.2mm-4mmMin.tolerance of Board thickness +/-8% - 10%Copper foil thicknessOut Layer: 17.5um/35um/70um/105um/140um/175umInner Layer: 17.5um/35um/70um/105um/140umOutline  ToleranceCNC routing:+/-0.1mm , Punching: +/-0.1mmV-CUT registration +/-0.15mmPTH hole copper thickness15um-50umWarp and twist