Greenstone

elsewhere's corpus does not genuinely cover a subject named "Greenstone." The entity card and relations all point to **华玉通软 (Huayu Tongruan)**, a Chinese autonomous-driving middleware company that raised a tens-of-millions RMB Series A1 round led exclusively by BlueRun Ventures in 2022 . BlueRun Ventures described it in 2023 as "the only domestic, independently controllable OMG DDS-standard communication middleware enterprise" in intelligent driving . The "Greenstone" label appears to be a misattribution or naming artifact in the retrieval system, not a separate entity. No document chunks in the bundle are actually about any "Greenstone" as a standalone subject.