... information, automobile electronics, communication devices,military gadgets ProductSingle sided to 12 layers PCBMaterialFR1, FR2, CEM1, CEM3, FR4, ... 0.05mmHole location tol.+/-0.05mmGold thickness0.05um to 1.5umNickel thickness1um to 5umPCBA Making ProcessDrilling-----Exposure-----Plating-----Etaching & Stripping ... to contact me.I am Eva. Our team and I will do our most to meet your requiremt. moving ...