Current issue date: Expiry date: Certificate identity number: Original approval(s): ISO 13485 - 25 August 2022 Certificate of Approval This is to certify that the Management System of: Wuhan Xuqinxuan Biotechnology Co., Ltd. Southwest of Floor A13, No. 666, Shendun 4th Road, Donghu New Technology Development Zone, Wuhan City, Hubei Province, China Unified Social Credit Code: 91420100MA49KB2H3P has been approved by LRQA to the following standards: The scope of this approval is applicable to: Development , Production and sales of Colloidal Gold method and Immunofluorescence in vitro diagnostic kits for auxiliary diagnosis of diseases and monitor human physiological status (Only for export). Rhett Wang ________________________ Area Operations Manager, North Asia Issued by: LRQA Limited The certificate can be checked for validity on CNCA website (www.cnca.gov.cn) 30 working days after the date of issuance. This approval is subject to surveillance assessment carried out in accordance with the LRQA assessment and certification procedures. LRQA Group Limited, its affiliates and subsidiaries and their respective officers, employees or agents are, individually and collectively, referred to in this clause as 'LRQA'. LRQA assumes no responsibility and shall not be liable to any person for any loss, damage or expense caused by reliance on the information or advice in this document or howsoever provided, unless that person has signed a contract with the relevant LRQA entity for the provision of this information or advice and in that case any responsibility or liability is exclusively on the terms and conditions set out in that contract. Issued by: LRQA Limited, 1 Trinity Park, Bickenhill Lane, Birmingham B37 7ES, United Kingdom Page 1 of 1