FDA warning letter · Drugs

Linghai ZhanWang Biotechnology Co., Ltd

Issued · Posted by FDA

Selected passages from the FDA letter

Quoted FDA text from the published dataset. These selected excerpts are not the complete letter.

Passage 1

Your firm failed to test samples of each component for identity and conformity with all appropriate written specifications for purity, strength, and quality (21 CFR 211.84(d)(1) and 211.84(d)(2)).

Passage 2

Your firm failed to establish an adequate written testing program designed to assess the stability characteristics of drug products and to use results of stability testing to determine appropriate storage conditions and expiration dates (21 CFR 211.166(a)).

Passage 3

Your firm failed to establish an adequate quality control unit with the responsibility and authority to approve or reject all components, drug product containers, closures, in-process materials, packaging materials, labeling, and drug products (21 CFR 211.22(a)).

Passage 4

Failure to address any violations may also result in the FDA continuing to refuse admission of articles manufactured at Linghai ZhanWang Biotechnology Co., Ltd, FEI 3015248821, located at No. 7-2, Dalinghe Industrial Park, into the United States under section 801(a)(3) of the FD&C Act, 21 U.S.C. 381(a)(3). Articles under this authority that appear to be adulterated may be detained or refused admission.

Citations in the original letter

As cited in this historical letter, not a statement of current regulatory requirements.

  • 21 CFR 210
  • 21 CFR 211.84(d)(1)
  • 21 CFR 211.166(a)
  • 21 CFR 211.22(a)