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Do you provide a COA and GC-MS report with every batch?

Yes — every batch ships with a COA (Certificate of Analysis) and a GC-MS analysis report, documenting physical constants and the full characteristic-component profile.

Documents Included Per Batch

DocumentContent
COAAppearance, color, aroma, density, RI, optical rotation, acid value, batch number, date
GC-MS reportChromatogram and quantified key compounds (linalool, linalyl acetate, camphor, etc.)
Origin / botanical declarationLavandula angustifolia, harvest origin, extraction method
The GC-MS is generated by capillary-column gas chromatography per GB/T 11538-2006 / ISO 7609, and the result is compared against ISO 3515 and GB/T 12653-2008 limits before release. Batch numbers are traceable back to distillation records in our factory.

Send your email and we will forward the current batch COA + GC-MS within one business day for your QC review.

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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.