HONG KONG, 10 February 2026 – Lianhe Ratings Global Limited (“Lianhe Global”), an international credit rating company, has upgraded the global scale Long-term Issuer and Issuance Credit Rating of Qingdao Oceantec Valley Investment Development Group Co., Ltd. (“QDOV”) to ‘BBB+’ from ‘BBB’; Issuer Rating Outlook is Stable.