... services. UL,SGS,ISO9001,RoHS,QS9000 and TS16949 Our PCB got UL,SGS,ISO9001,RoHS,QS9000 and TS16949 certificates ... ,automobiles,communication devices, military,industrial control and aviation.Product process capabilityLayer: 1 to 22 layersMaterials: FR-4, CEM-3 ... TgSurface finishing: lead-free HASL, immersion gold/tin/silver, OSP, gold finger plating, selective immersion gold and gold platingMaximum ...