Product Details: Certification ISO9001,UL Base Material FR-4 Min. Hole Diameter 0.5mm Min. Line Spacing 0.45mm Surface Finishing Hasl Lead Free Min. Line Width 0.42mm Board Thickness 1.0mm Copper Thickness 18um Place of Origin Jiangsu China Brand Name DF Payment & Shipping Terms: Packaging Details:Vacuum-pack & polyfoam-free 360mm*260mm*230mm(Common) Delivery Time:5~7 days Payment Terms:T/T Supply Ability:10000 Square Meter per Month