How quickly do you respond to complaints?
We respond to all complaints within 24 hours and aim to resolve most within one week.
Response Timeline
| Stage | Timeline |
|---|---|
| Initial response | Within 24 hours |
| Investigation | 1–3 working days |
| Resolution | Within 1 week |
How to Submit a Complaint
| Channel | Best For |
|---|---|
| Detailed reports with photos | |
| WhatsApp / WeChat | Quick questions |
| Account manager | Ongoing issues |
Information to Include
- Order number
- Batch number
- Issue description
- Photos or test reports
Quality System
Every complaint is logged in our quality system, tracked to closure, and followed by a corrective action report when needed. This loop ensures the same issue does not recur.
This article was published on 2026-09-07, and last updated on 2026-09-07. The article will be continuously updated.