Sharemaestro, Shandong Hi-tech Spring Material Technology Co., Ltd. (301292), 2026-08-02, https://sharemaestro.com/evidence/48206672-719f-49bb-8efb-1e9e50f9623a/ Record ID: 48206672-719f-49bb-8efb-1e9e50f9623a Record checksum: da13621d5363a4b7dc107b264ea6efecaa30f270c8c0cdc2fd8380e81ef8d338