computer PCB 17 years of experience in PCB industry fast delivery ... competitive prices UL,SGS,ISO9001,RoHS,QS9000,TS16949 Layer:1~22 layersMaterials: FR-4, CEM-3, Teflon, Aluminum, Rogers, High TgSurface ... Plating, Selective Immersion Gold,Gold PlatingTechnical Specifications EnglishMetric1Max. Panel Size 22" x 26"550 x 650mm2Mechanical Drill Min. Finished Holes Size ...