... pcb 1, best price 2, high quality 3, quick delivery 4, considerate service high power led aluminum pcb Short lead timeMore than 10 years ... to 12 layersMaterial type: FR-4, CEM-1, CEM-3, High TG, FR4 Halogen Free,Board thickness: 0.35mm to 3 ... carton packingProfiling: Punching, Routing, V-CUTCertificates: UL, ISO 9001, SGS high power led aluminum pcb