1.FR-4 single side 1 layer pcb bare board. 2.Meet ROHS, UL, SGS. ISO9001:2000. pcb PRODUCTION CAPABILITYLayers: 1-20 layersMaterial: FR-4, Aluminium Base, Rogers, Taconic, TeflonFinish Board Thickness: 0.2mm-3.2mm (8mil-126mil)External Copper Thickness: 35um-210um (1OZ-6OZ)Internal Copper Thickness: 17um-140um(1/2OZ-4OZ)Copper Plating Hole: 18um-40umMin. Trace Width& Line Spacing: 0.075mm/ 0.1mm ...