Number of Layers: 1-14Layer Base Material: FR4 Copper Thickness: 0.5oz-6oz Board Thickness: 0.2mm-7mm Min. Hole Size: 0.2mm Min. Line Width: 0.075mm (3mil) Min. Line Spacing: 0.075mm (3mil) Surface Finishing: Immersion Gold, HASL, OSP, Enig, Gold Fingers, etc Board Size: Multilayer Quality Control: FQC, FQA Services: EMC, ODM, OEM Testing Service: Aoi X-ray Function Test Certificate: UL, TS16949, ISO9001, RoHS, SGS