PCB board SpecificationsPcb thickness:2.0mmLayer account:12-LayerSurface finished:HASL LEAD FREELine width&space3/3milsFinished copper:1ozSolder mask:green;Material:FR4.Certificates:CQC,ISO.TS16949,SGS,ISO9001,UL,ISO.14001,ROHSDelivery time:sample 3-5days,mass production:12-16days;Package details:vacuum pcb,inside bubble all inside,cartoon,ties outside strengthening;12 layer pcb circuit boards ...