# Kwng Ying Trading Co. · 99-21 · HONG KONG SAR — FDA import alert red lists: firms subject to detention without physical examination For Kwng Ying Trading Co. · 99-21 · HONG KONG SAR, import alert is 99-21; import alert name is Detention Without Physical Examination of Food Products Containing Undeclared Added Sulfiting Agents; country is HONG KONG SAR; product code is 25 L - - 12 Sweet Potato, Dried or Paste; date published is 09/16/2009; address is 139-145 Desvoeux Rd , Hong Kong, HONG KONG SAR, verified against its source on 2026-09-16. - **Firm:** Kwng Ying Trading Co. _(verified: appears in the quote below)_ - **Import alert:** 99-21 - **Import alert name:** Detention Without Physical Examination of Food Products Containing Undeclared Added Sulfiting Agents - **Country:** HONG KONG SAR _(verified: appears in the quote below)_ - **Address:** 139-145 Desvoeux Rd , Hong Kong, HONG KONG SAR _(verified: appears in the quote below)_ - **Date published:** 09/16/2009 _(verified: appears in the quote below)_ - **Product code:** 25 L - - 12 Sweet Potato, Dried or Paste _(verified: appears in the quote below)_ - **FDA notes:** 9/17/98 | SULFUR DIOXIDE; _(verified: each item appears in the quote below)_ ## What the source says > Kwng Ying Trading Co. Date Published : 09/16/2009 139-145 Desvoeux Rd , Hong Kong, HONG KONG SAR 25 L - - 12 Sweet Potato, Dried or Paste Date Published: 09/16/2009 Notes: 9/17/98 Problems: SULFUR DIOXIDE; ## Source - https://www.accessdata.fda.gov/cms_ia/importalert_265.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/).