A natural plant extract manufacturer and OEM/ODM partner
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Do you offer free samples for evaluation?

Yes — samples are free of charge; you only pay the freight (freight collect or prepaid on your account).

Sample TypeVolumeCharge
Standard hydrosol sample100 mL – 1 LFree (freight collect)
OEM/private-label trialPer projectFree material, freight collect
Bulk pre-shipment sampleFrom the actual production lotFree with order
Samples are sent by international express (DHL/FedEx/UPS) or air freight, typically within 2–5 working days of request. For cold-chain-sensitive windows we can add insulated packing.

Send us your courier account or address, and tell us your evaluation focus (aroma, pH, formulation) so we pack the right sample format.

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

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Guilin Four Seasons Sunshine

sales@essentialoilsfactory.com
86 13367530509

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.

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