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Do you sign a contract or quality agreement?

Yes. For B2B orders Top can sign a sales contract and, for ongoing supply, a quality agreement / LTA specifying grade, pack sizes, price mechanism, lead time, traceability and complaint handling.

For jasmine sambac concrete, Q/XXXX conformance is the working acceptance basis unless the contract states otherwise (the COA and GC-MS accompanying each lot are the evidence). We encourage buyers to attach their specification so both sides measure against the same numbers.

Contracts are in EN/CN as needed. For food use, the contract should cite GB 2760-2024 (jasmine) and the buyer's food category, and state the solvent-residue accept limit.

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บทความนี้เผยแพร่เมื่อ 2026-09-22 และอัปเดตล่าสุดเมื่อ 2026-09-22 โดยจะมีการปรับปรุงเนื้อหาอย่างต่อเนื่อง

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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. test