FDA Warning Letter Explorer
Drugs · Letter issue date: Sep 23, 2026

Jiangmen Shuizirun Sanitary Articles Co., Ltd.

4 extracted findings

FDA source excerpt, selected passage

Failure to establish procedures designed to prevent micro-contamination in products purporting to be sterile (21 CFR 211.113(b).

Findings and supporting evidence

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Findings extracted from the letter

Selected FDA passages, not the complete letter.

01
Failure to establish procedures designed to prevent micro-contamination in products purporting to be sterile (21 CFR 211.113(b).
02
Your firm failed to test samples of each component for identity and conformity with all appropriate written specifications for purity, strength, and quality. Your firm also failed to validate and establish the reliability of your component supplier’s test analyses at appropriate intervals (21 CFR 211.84(d)(1), 211.84(d)(2) and 211.110(c)).
03
You failed to adequately test each shipment of each lot of **(b)(4)**, used as an active pharmaceutical ingredient, for **(b)(4)**. The use of **(b)(4)** contaminated with **(b)(4)** has resulted in various lethal poisoning incidents in humans worldwide. See FDA’s guidance document **(b)(4)**.
04
You failed to adequately test each shipment of each lot of **(b)(4)**, used as an inactive ingredient, for **(b)(4)** contamination.

Sections and clauses cited

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