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What is your after-sales service policy?

Our after-sales service goes beyond delivery: technical support, document re-issue, batch archive verification, market-specific compliance advice and priority supply for repeat customers.

After-Sales Services

ServiceDetail
Technical supportUsage, dilution, blending & stability advice by our engineers
Document servicesRe-issue COA/MSDS/allergen declarations (archived 36+ months)
Batch verificationGC-MS comparison of your stock vs reference when needed
Compliance adviceIFRA, EU 2023/1545, GB/ChP/FDA labeling questions
Market guidanceCertificates & documents for your target country
Priority supplyRepeat customers get stock allocation & priority production slots
Feedback loopProduct improvement suggestions welcomed & tracked
  • Claims for quality issues follow the 5-step complaint process (see related FAQ) with resolution within ~5 working days
  • Archived documents are kept for the full shelf-life period plus regulatory retention (3+ years)
  • We share seasonal market updates (harvest, price trend, availability) with regular customers so you can plan purchasing
  • A customer satisfaction review is conducted after each large order to improve our service continuously
  • No 'dead-end' support: your account manager remains your contact for the lifetime of the business relationship

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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.