... . Line Spacing: 4mil (0.1mm)Surface finishing: HASL / HASL lead free, HAL, Chemical tin, Chemical Gold, Immersion Silver/Gold, OSP ... - Inner packing: Vacuum packing / Plastic bag - Outer packing: Standard carton packingCertificates: UL, ISO 9001, SGSProfiling: Punching, Routing, V- ... Your satisfaction is our pleasure. China High Quality pcb lead free, OSP, HASL, ENIG multilayersPCB from China in ...