A natural plant extract manufacturer and OEM/ODM partner
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What after-sales service and claims policy do you offer?

We provide structured after-sales support: technical help, document support, and a clear claims procedure for quality or quantity issues.

ServiceDetail
Technical supportUsage, dilution, formulation questions after delivery
Document supportAdditional COA copies, certificates, letters
Quality claimsBased on inspection at arrival (typically 14 days window)
Quantity claimsVerified by B/L weight/volume and packing list
Replacement / refundPer root-cause analysis and agreement
Claims must be raised with supporting evidence (photos, COA comparison, third-party test if needed). We investigate against retained samples and batch records and settle fairly — replacement, credit or refund per the cause.

Describe the issue with evidence and batch number — we will open a case and respond with a settlement proposal.

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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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