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How are quality complaints and claims handled?

Complaints are handled through a defined 7-step process: acknowledge within 24 h, retain samples, investigate with lab tests, determine root cause, agree corrective action, and settle by replacement or credit within 15 working days.

Complaint Process

StepActionTime
1. ReportCustomer submits complaint with batch & photosDay 0
2. AcknowledgeConfirm receipt and assign case owner24 h
3. SamplesRetained samples + shipped-back goods examined3–5 days
4. InvestigationCOA cross-check, GC-MS retest as needed7 days
5. Root causeReport shared with the customer10 days
6. ResolutionReplacement, credit or corrective action15 working days
  • Claims must be lodged within 30 days of receipt with batch number and photos
  • Retained samples (24 months) allow objective third-party comparison
  • Continuous-improvement feedback is returned to the production line

Contact our quality team with your batch number for a fast resolution.

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Guilin Four Seasons Sunshine

Founded in 2006, Guilin Four Seasons Sunshine F&F Co., Ltd. is a natural plant extract manufacturer and OEM/ODM partner in Guilin, China, combining proprietary Living-Fragrance physical extraction with supercritical fluid extraction to deliver pure, traceable botanical ingredients to global food, flavor, fragrance and personal care brands.