... , PCB layout, PCB manufacture, components purchasing, * PCB assembly, test, packing and PCB delivery Technical Specification For PCB : Number of Layer1,2,4 or 6,upto 18 ... Hole Diameter0.01'',0.25mm, or 10milsSurface FinishHASL,Nickle,Immersion Gold,Immersion Tin,Immersion Silver,OSP,etc.Board Thickness Tolerance±10%Copper Weight Tolerance ... I will do our most to meet your requiremt. 2-layer PCBA