1. Road Lamp PCB 2. Material: aluminum 3. Copper thickness1oz 4. Board ... to 28 layersMaterial type: FR-4, CEM-1, CEM-3, High TG, FR4 Halogen Free, RogersBoard thickness: 0.21mm to 7 ... ! OEM services providedCertificate: ROHS, UL, ISO9001-2000, ISO14001Factory direct price Road Lamp PCB