FAQ Header

How quickly do you respond to complaints?

We respond to all complaints within 24 hours, and aim to resolve them within one week.

Response Time Commitment

StageTime
Initial responseWithin 24 hours
Investigation1–3 working days
ResolutionWithin 1 week (most cases)

How to Submit a Complaint

ChannelBest For
EmailDetailed reports with photos
WhatsApp / WeChatQuick questions
Account managerComplex or recurring issues

What We Need From You

  • Order number and batch number
  • Description of the issue
  • Photos or test reports (if any)

We track every complaint in our quality system and provide a corrective action report when the root cause is identified.

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This article was published on 2026-09-07, and last updated on 2026-09-07. The article will be continuously updated.