A natural plant extract manufacturer and OEM/ODM partner
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What is your after-sales policy?

After-sales support covers technical formulation help, documentation, quality re-testing, and product liability for 12 months after delivery.

After-Sales Support

ServiceDetail
Technical supportFormulation guidance, dilution tables, blending recommendations — free of charge
DocumentationRe-issuing COA/MSDS/TDS and compliance letters as needed
Quality re-testingAnnual stability re-test of stored lots
New-crop updatesSeason availability and market notes for your planning
Complaint & returnsPer contract: replace, rework, or credit within 12 months
Regulatory supportGuidance for GRAS/DSHEA/INCI/allergen filings within scope
  • A named account manager remains your single point of contact
  • We actively notify clients of any batch-related advisory (recall, spec change)
  • Volume clients receive priority production slots and annual price protection talks

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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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