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How do you handle complaints about quality or delivery?

We follow a structured 4-step complaint process with a guaranteed response: acknowledge within 24 hours, investigate with batch records within 3–5 days, and issue a corrective action within 7 days.

Complaint Handling Process

StepActionTimeframe
1Acknowledge and log the complaint24h
2Investigation (batch records, GC-MS, photos, COA cross-check)3–5 working days
3Corrective action: replacement, rework, credit or refund7 working days
4Root-cause report + preventive measures for future batchesWith resolution
Every batch is retained for 3 years, so any issue can be traced to production records, harvest lot and testing results. If the complaint involves a third-party lab result, we arrange joint re-testing with an agreed laboratory.

Open a complaint with your order number, batch number and photos — we will handle it within the timeframes above.

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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.