FAQ Header

What is your after-sales policy for perilla leaf oil?

We provide 12-month after-sales support: technical consultation, formulation guidance, re-certification documents, and access to batch records — long after delivery.

After-Sales Support

ServiceDetail
Technical consultationUsage rates, blending, dilution, stability questions
Document re-issueCOA, MSDS, CO duplicates when needed for customs/regulatory
Formulation guidanceSupport for integrating the oil into your products
Batch recordsTraceability to farm and production for audits
Follow-up stockPriority allocation for repeat orders
  • Coverage: 12 months from delivery (storage-related quality issues handled on a case basis)
  • We keep retained samples for 24 months for any re-verification
  • Repeat customers get a dedicated account manager and preferred annual pricing

ผลิตภัณฑ์ที่เกี่ยวข้อง

บทความนี้เผยแพร่เมื่อ 2026-09-07 และอัปเดตล่าสุดเมื่อ 2026-09-07 โดยจะมีการปรับปรุงเนื้อหาอย่างต่อเนื่อง

Logo

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.