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
| Stage | Time |
|---|---|
| Initial response | Within 24 hours |
| Investigation | 1–3 working days |
| Resolution | Within 1 week (most cases) |
How to Submit a Complaint
| Channel | Best For |
|---|---|
| Detailed reports with photos | |
| WhatsApp / WeChat | Quick questions |
| Account manager | Complex 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.
This article was published on 2026-09-07, and last updated on 2026-09-07. The article will be continuously updated.