FAQ Header

How are quality complaints and disputes handled?

Complaints are handled within 48 hours of notification: we review the batch COA and retained samples, arrange re-testing or third-party analysis, and resolve through replacement, credit or refund per the agreed terms.

Complaint Procedure

StepAction
1Report with batch number, photos and issue description
2Acknowledgment and preliminary review within 48 h
3Investigation using COA and retained samples
4Third-party analysis if required (shared cost by agreement)
5Resolution: replacement, credit or refund
  • Keep the original sealed container and batch label for investigation
  • Retained samples of every batch are held for at least 24 months
  • Transit damage claims follow the shipping terms (insurance advised for fragile/large shipments)

Contact your sales engineer with the batch number for a fast resolution.

Relate Products

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