1, Double-sided aluminum pcb 2, Best price 3, Good quality 4, Quick delivery 5, Considerate service Double-sided Aluminum PCB Aluminum pcb for LED lighting production. Double-sided aluminum pcb Material:Imported ... layersMaterial type: FR-4, CEM-1, CEM-3, High TG, FR4 Halogen Free,Board thickness: 0.35mm to 3.0mmCopper thickness: 0 ...