Discloseable transaction - investment agreement in relation to establishment of inspection and monitoring center in xinyi City

GUANGDONG SYNTRUST GK TESTING AND CERTIFICATION TECH SERVICE CENTER CO.,LTD. 廣東集信國控檢測認證技術服務中心股份有限公司 (A joint stock company incorporated in the People’s Republic of China with limited liability) (Stock code: 8629) DISCLOSEABLE TRANSACTION INVESTMENT AGREEMENT IN RELATION TO ESTABLISHMENT OF INSPECTION AND MONITORING CENTER IN XINYI CITY THE INVESTMENT AGREEMENT On 15 September 2026, the Company ent