# Hong Kong Xinsheng Biological Tech Research Center · 66-41 · HONG KONG SAR — FDA import alert red lists: firms subject to detention without physical examination For Hong Kong Xinsheng Biological Tech Research Center · 66-41 · HONG KONG SAR, import alert is 66-41; import alert name is Detention Without Physical Examination of Unapproved New Drugs Promoted In The U.S; country is HONG KONG SAR; product is Effective Viagra Tablets | Effective Viagra Tablets | Effective Viagra Tablets; product code is 54 Y - - 99 Vitamin, Mineral, Proteins and Unconventional Dietary Specialities For Humans and Animals, N.E.C. | 65 P - - 02 Sildenafil Citrate (Regulator) | 66 V - - 99 Miscellaneous Patent Medicines, Etc; date published is 08/27/2015; address is Tower C 28F Sunshine Plaza No. 76 Jiulo , Unknown, HONG KONG SAR, verified against its source on 2026-09-16. - **Firm:** Hong Kong Xinsheng Biological Tech Research Center _(verified: appears in the quote below)_ - **Import alert:** 66-41 - **Import alert name:** Detention Without Physical Examination of Unapproved New Drugs Promoted In The U.S. - **Country:** HONG KONG SAR _(verified: appears in the quote below)_ - **Address:** Tower C 28F Sunshine Plaza No. 76 Jiulo , Unknown, HONG KONG SAR _(verified: appears in the quote below)_ - **Date published:** 08/27/2015 _(verified: appears in the quote below)_ - **Product code:** 54 Y - - 99 Vitamin, Mineral, Proteins and Unconventional Dietary Specialities For Humans and Animals, N.E.C. | 65 P - - 02 Sildenafil Citrate (Regulator) | 66 V - - 99 Miscellaneous Patent Medicines, Etc. _(verified: each item appears in the quote below)_ - **Product:** Effective Viagra Tablets | Effective Viagra Tablets | Effective Viagra Tablets _(verified: each item appears in the quote below)_ - **FDA notes:** Found to contain undeclared Sildenafil | Found to contain undeclared Sildenafil | Found to contain undeclared Sildenafil _(verified: each item appears in the quote below)_ ## What the source says > Hong Kong Xinsheng Biological Tech Research Center Date Published : 08/27/2015 Tower C 28F Sunshine Plaza No. 76 Jiulo , Unknown, HONG KONG SAR 54 Y - - 99 Vitamin, Mineral, Proteins and Unconventional Dietary Specialities For Humans and Animals, N.E.C. Date Published: 08/27/2015 Desc: Effective Viagra Tablets Notes: Found to contain undeclared Sildenafil 65 P - - 02 Sildenafil Citrate (Regulator) Date Published: 08/27/2015 Desc: Effective Viagra Tablets Notes: Found to contain undeclared Sildenafil 66 V - - 99 Miscellaneous Patent Medicines, Etc. Date Published: 08/27/2015 Desc: Effective Viagra Tablets Notes: Found to contain undeclared Sildenafil ## Source - https://www.accessdata.fda.gov/cms_ia/importalert_190.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/).