... 2.Pass ISO9001, UL 3.Professional PCB factory 1 layer PCB boardsWe are a high-tech enterprise which specializes in ... sided, double-sided, multi-layer, high frequency, MCPCB, metal-backed PCB,etc.2.Product qualityOur product got ISO9001, UL E320045 ... products.The capability: ItemSpecificationsNumber of Layer1-12LayersMaterialFR-4, AL PCB, CEM-1, Taconic, RogersFinish Board Thickness0.2mm-3.2mm ...