It looks like you’re working with a M522MAIN FPC V11 component, which is typically a specific LCD screen flex cable or a motherboard revision found in various budget Android tablets (often brands like Alldocube, Teclast, or generic MTK-based models).
Suggestion for an image to pair with this post: A high-resolution macro shot of the FPC connector tips showing the gold/copper traces, or a clean flat-lay photo of the green/blue circuit strip on a white background to emphasize "high quality." m522main fpc v11 high quality
Where to Buy the M522MAIN FPC V11
And in the quiet archive of Nexus Dynamics, a single framed sample of the v11 hung on Elena’s wall. Under it, a small brass plaque read: It looks like you’re working with a M522MAIN