... fast delivery UL,SGS,ISO9001,RoHS,QS9000,TS16949 Layer:1~22 layersMaterials: FR-4, CEM-3, Teflon, Aluminum, Rogers, High ... :Lead Free HASL,Immersion Gold/Tin/Silver, OSP, Gold Finger Plating, Selective Immersion Gold,Gold PlatingTechnical Specifications EnglishMetric1Max. Panel Size 22" x 26"550 x ... company, if you have specific requirements, please contact us. Thick gold printed circuit board