LED Driver Circuit Board 1: Material: aluminum 2: Copper thickness1oz 3: Board thicknesses 1.6mm 4: Min. hole size: 0.2mm LED Driver Circuit Board: aluminum ... material,rotundity,copper 1oz, board thicknesses 1.6mm, Min. hole size: 0 ... services providedCertificate: ROHS, UL, ISO9001-2000, ISO14001Factory direct price LED Driver Circuit Board