Place of Origin:Guangdong China Min. Hole Size:0.3mm Min. Line Spacing:0.1mm Surface Finishing:HAL/Lead free HAL Min. Line Width:0.1mm Base Material:FR-4 Copper Thickness:0.5oz/1oz/2oz Board Thickness:0.4mm-2.0 Model Number:CU-8 Brand Name:CUPCB ROHS:UL compliance Number of Layers:2-8layers