... 1, best price 2, high quality 3, quick delivery 4, considerate service high-precision multi-layer FR4 pcb 1- ... layersMaterial type: FR-4, CEM-1, CEM-3, High TG, FR4 Halogen Free,Board thickness: 0.35mm to ... Hole Size: 10mil (0.25mm) - Min. Line Width: 4mil (0.1mm) - Min. Line Spacing: 4mil (0.1mm)Surface finishing: HASL ... , Routing, V-CUTCertificates: UL, ISO 9001, SGS high-precision multi-layer FR4 pcb