... Our PCB got UL,SGS,ISO9001,RoHS,QS9000 and TS16949 certificates,and are used to a wide range of ... ,digital products,medical equipment,automobiles,communication devices, military,industrial control and aviation.Product process capabilityLayer: 1 to 22 layersMaterials: ... /silver, OSP, gold finger plating, selective immersion gold and gold platingMaximum panel size: 550 x 650mmMinimum finished holes ...