# RING BIOTECHNOLOGY CO LTD · 89-08 · CHINA — FDA import alert red lists: firms subject to detention without physical examination For RING BIOTECHNOLOGY CO LTD · 89-08 · CHINA, import alert is 89-08; import alert name is "Detention Without Physical Examination of Devices without Approved PMA's or IDE's and Other Devices Not Substantially Equivalent or Without a 510(k)"; country is CHINA; product is COVID-19 IgM/IgG Rapid Test Kit | COVID-19 IgM & IgG Rapid Test Kit; product code is 83 Q - - KO Reagent, coronavirus serological | 83 Q - - KO Reagent, coronavirus serological; date published is 01/06/2022; address is Building 3 , No 11 Kechuang 14 Street , Beijing, Beijing CHINA, verified against its source on 2026-09-16. - **Firm:** RING BIOTECHNOLOGY CO LTD _(verified: appears in the quote below)_ - **Import alert:** 89-08 - **Import alert name:** "Detention Without Physical Examination of Devices without Approved PMA's or IDE's and Other Devices Not Substantially Equivalent or Without a 510(k)" - **Country:** CHINA _(verified: appears in the quote below)_ - **Address:** Building 3 , No 11 Kechuang 14 Street , Beijing, Beijing CHINA _(verified: appears in the quote below)_ - **Date published:** 01/06/2022 _(verified: appears in the quote below)_ - **Product code:** 83 Q - - KO Reagent, coronavirus serological | 83 Q - - KO Reagent, coronavirus serological _(verified: each item appears in the quote below)_ - **Product:** COVID-19 IgM/IgG Rapid Test Kit | COVID-19 IgM & IgG Rapid Test Kit _(verified: each item appears in the quote below)_ ## What the source says > RING BIOTECHNOLOGY CO LTD Date Published : 01/06/2022 Building 3 , No 11 Kechuang 14 Street , Beijing, Beijing CHINA 83 Q - - KO Reagent, coronavirus serological Date Published: 01/06/2022 Desc: COVID-19 IgM/IgG Rapid Test Kit 83 Q - - KO Reagent, coronavirus serological Date Published: 01/06/2022 Desc: COVID-19 IgM & IgG Rapid Test Kit ## Source - https://www.accessdata.fda.gov/cms_ia/importalert_244.html Last verified: 2026-09-16. Review by: 2026-11-15. Part of [FDA import alert red lists: firms subject to detention without physical examination](https://referencesource.org/fda-import-alert-red-list/).