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Last updated: November 2, 2026

Questions about your account, alerts, billing or refunds — send us a message and we’ll reply by email, usually within one business day.

OppBeacon is operated by Zhang Di (张迪) (individual seller).

OppBeacon is an independent software product. It is not affiliated with, endorsed by, or acting on behalf of the U.S. government or SAM.gov. We do not submit bids, register businesses, file government paperwork, or provide consulting, IT, or development services. Data comes from publicly available SAM.gov records.