Sharemaestro, Changchun UP Optotech Co.,Ltd. (002338), 2026-08-06, https://sharemaestro.com/evidence/1db604eb-6e7e-4cd4-932b-3465a2f929ce/
Record ID: 1db604eb-6e7e-4cd4-932b-3465a2f929ce
Record checksum: c6732fb636ca42999f99bf563736f8cdc877a9358d54006d9f811fc1cc414729