Sharemaestro, Hengtong Optic-Electric Co., Ltd. (600487), 2026-08-06, https://sharemaestro.com/evidence/6a8d38b0-bd85-458e-bda9-009582e19426/
Record ID: 6a8d38b0-bd85-458e-bda9-009582e19426
Record checksum: 8aa8348a1139c04518e3d19dee90cc9ba54b3e5fdcd7f0350f37620a276adf76