Features: 1) Single, double and multilayer circuit boards available 2) Can offer a complete service of design, plating, optical drawing and molding 3) Hole diameter: 0.3mm 4) Min. line distance: 4 mil 5) Width: 4 mil 6) Materials: FR-4, CEM-1 (CEM-3 and FR-2 also available) a) Thickness of FR4: 1.0mm, 1.5mm, 1.2mm b) Thickness of CEM-1, CEM-3 and FR-2: 1.5mm, 1.2mm (0.5mm sometimes) 7) Board: KB board (Kimborg) 8) Electro sheet copper thickness: 36 mil 9) All PCBs meet ROHS directive 10) HS code: 85340090 printed circuit board