Our factory supports large-volume OEM customization of multi-strand dispersed wire hollow concentric round inductor coil, equipped with central black circular ferrite locating dot and full-surface white self-adhesive backing film. This ultra-thin circular ferrite-backed inductive coil is a core mass-production item of our full range of custom inductors. Multiple independent dispersed thin lead wires support flexible multi-power circuit matching for household tabletop cellphone wireless chargers, full white adhesive layer eliminates glue dispensing steps during mass assembly to cut labor costs. All coil outer diameters, lead wire quantities and lengths can be flexibly customized to match various consumer charging equipment plastic shell molds.