Invite Quotation For 02 Chemicals, 3% Acetic Acid Solution And Test Trays To Test For Antigens Of Sars-Cov-2, Influenza A Virus, Influenza B Virus, Respiratory Syncytial Virus (Rsv) And Adenovirus (Adv) To Serve The Medical Examination And Treatment Of Quang Ninh Provincial General Hospital - Fourth Quarter Of 2025