CuZn39Pb1 Brass Components with Gold Plating Model： Product Origin： Putdate：2025-09-13 Views：times Phone：+86 136 8605 3234 Keywords：CuZn39Pb1 brass component, gold surface treatment, custom CNC machining, precision part, OEM spare part next previous details CuZn39Pb1 components with 3um gold surface treatment