... quality with competitive price 3.ISO,UL,RoHs,SGS Electronic Switch PCB Board 1.We have over 10 years experience in ... .Our PCB board get ISO,UL,RoHs, SGS ect certification Our PCB Technical capabilitiesNOITEMOur PCB Technical capabilities1Layers2-20 layers2Max. Board size2000×610mm3Min. board Thickness2- ... gold20MaterialsFR4,H-TG,Teflon,Rogers,Ceramics,Aluminium, Copper base Electronic Switch PCB Board