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Do you support third-party testing?

Yes — we cooperate with accredited labs for independent testing as required by your market or buyer.

Test TypeAccredited Lab Options
GC-MS aroma profileSGS / Intertek / local accredited labs
Heavy metals & pesticidesSGS / Bureau Veritas / TÜV
MicrobiologicalISO 17025 certified labs
Food-grade complianceLocal food inspection institutes
Allergen declarationGC-MS quantification per IFRA/EU
StabilityCosmetic labs (accelerated & real-time)
You choose the lab or we recommend one; the test cost is quoted separately and documented in the order. Test reports are issued in the lab's name for full independence.

Specify your required tests and standard — we will send lab quotations and arrange sampling.

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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.