1.Supply China pcb to Russia, Russia PCB supplier; 2.Meet UL, ISO9001:2008; 3.FR-4 pcb board; ... Blue Gum; Immersion Gold+ OSP. ItemSpecificationsNumber of Layer1-12LayersMaterialFR-4, AL PCB, CEM-1, Taconic, RogersFinish Board Thickness0.2mm-3.2mm ... %Different Impedance+-/10%Supply China pcb to Russia, Russia PCB supplier Supply China pcb to Russia, Russia PCB ...