FAQ Header

What is the process for filing a complaint and what response time can we expect?

We take all quality complaints seriously and respond promptly. Here is our structured complaint resolution process:

Complaint Resolution Process

StageActionResponse Time
ReceiptYou submit complaint via email with supporting documents
AcknowledgmentWe confirm receipt and assign a case numberWithin 4 business hours
InvestigationQC team reviews COA, production records, shipping docs1–3 business days
Interim responseWe provide an initial assessment and expected resolution timelineWithin 3 business days
Final resolutionAgreed resolution communicated and executedWithin 10 business days

How to File a Complaint

Send an email to our sales or quality team including:

  • Order number and batch number (from COA)
  • Description of the issue with photos or test reports
  • Date of receipt and storage conditions
  • Quantity affected

Contact: Your dedicated account manager or sales representative — response guaranteed within 4 business hours during working hours.

For urgent complaints (e.g., contamination risk, regulatory hold), call our quality hotline directly for immediate attention. We maintain a customer complaint log for all cases, and track resolution rates as a key performance indicator in our quality management system.

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This article was published on 2026-09-02, and last updated on 2026-09-02. The article will be continuously updated.