CMC MEDICAL DEVICES & DRUGS SL NO. CMC/CE/2020/23112020.10 CONFIRMED THAT CMC MEDICAL DEVICES & DRUGS S.L. Is the European Authorized Representative of Tai zhou Sun Trine Biotechnology Co.,Ltd NO.420 Jianggao Road Medical High-tech Zone Taizhou City, 225300, Jiangsu, China The certificate remains valid until the expiration agreement of EC REP, manufacturing conditions, the quality system or relevant legislation are changed. The validity is conditioned by positive results of periodic surveillance audits. The product liability rests with the manufacturer in accordance with applicable directive and standard, after fulfilling of the relevant EU legislation requirements, the manufacturer shall affix relevant CE marking to all above mentioned models of the medical device. Complies with the applicable essential requirements of the council directive 98/79/EEC in vitro diagnostics as amended. The products in Annex I was registered in Spanish MOH with number RPS/2689/2020 Valid until: 22/11/2021 Authorized Signatory CMC Medical Devices & Drugs SL

ANNEX I Medical Device Products Viral antigen detection reagent (colloidal gold)