... FR4 pcb 1, best price 2, high quality 3, quick delivery 4, considerate service high-precision multi-layer FR4 pcb 1-12 layer:FR ... 12 layersMaterial type: FR-4, CEM-1, CEM-3, High TG, FR4 Halogen Free,Board thickness: 0.35mm to 3 ... packing: Vacuum packing / Plastic bag - Outer packing: Standard carton packingProfiling: Punching, Routing, V-CUTCertificates: UL, ISO 9001, SGS high-precision multi-layer ...