... ; 2.Meet UL, ISO9001:2008; 3.FR-4 pcb board; 4.PCB OEM. pcb PRODUCTION CAPABILITYSolder Mask Types: Green, White, Blue, Red ... Immersion Gold+ OSP. ItemSpecificationsNumber of Layer1-12LayersMaterialFR-4, AL PCB, CEM-1, Taconic, RogersFinish Board Thickness0.2mm-3.2mm( ... )Impedance Control+/-10%Different Impedance+-/10%Supply China pcb to Russia, Russia PCB supplier Supply China pcb to Russia, Russia ...