Sharemaestro, Jilin University Zhengyuan Information Technologies Co., Ltd. (003029), 2026-08-02, https://sharemaestro.com/evidence/ba42eb9a-b9dd-4a9e-b8cf-5775ecdbe505/ Record ID: ba42eb9a-b9dd-4a9e-b8cf-5775ecdbe505 Record checksum: 441741fd3e6c813cc3bcceb251c1e9c32ff55e3e76cbc2a165fcc6dd6dec22e4