What are the main applications of osmanthus concrete?
Primary Applicationsfine fragrance and personal care (the apricot/peach, tea-like, precious "oriental floral" note — perfumes, soaps, shampoos, body lotions, lip care, candles); food and beverage flavour (tea, dairy, bakery, confectionery — the natural osmanthus note; label per GB 2760 / 21 CFR); tea / scented products (osmanthus tea, incense).It is a waxy concrete, so it is melted and diluted (in carrier oil or ethanol) rather than used neat. Formulators label appropriately (food vs cosmetic) and note it is a solvent-extracted osmanthus concrete (flower wax + aroma), distinct from a distilled oil.Because it is precious and low-yield, keep use levels moderate...
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 osmanthus 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 (osmanthus) and the buyer's food category, and state the solvent-residue accept limit.
How do you handle a quality complaint or dispute?
Top treats complaints seriously:Notify us within the validity window with the lot number, COA reference and the issueWe review the retained sample and the batch COA / GC-MS / sensory resultIf a genuine non-conformance is confirmed (e.g., off Q/XXXX, weak β-ionone, excessive solvent residue), we offer replacement, credit or refund per the contractFor disputes we can involve a third-party lab (SGS, Eurofins) with costs allocated by outcome.Keep the original pack sealed where possible. Our aim is a fair, documented resolution — we do not argue against our own lot data.
What documents (COA, GC-MS, MSDS) ship with each order?
Every Top order ships with:COA (batch-specific, conforming to Q/XXXX — melting point, refractive index, yield, solvent residue, species + "fresh flower / solvent concrete" stated)GC-MS report (β-ionone floral fingerprint)MSDS / SDS (CLP for EU)Commercial invoice plus packing listCertificate of originHealth certificate on requestFood-use note (GB 2760-2024 osmanthus verification) for food buyers.Optional third-party test (SGS, Eurofins) at buyer cost. All documents in EN (and CN on request).
Is osmanthus concrete subject to CITES controls?
No. Osmanthus fragrans is a cultivated ornamental / flowering shrub, not listed in CITES Appendices — no CITES permit required. It is a farmed floral crop (Guilin plantations).Top ships the standard commercial + food/cosmetic-export documents (invoice, packing list, COA, MSDS/SDS, certificate of origin, health certificate on request). Normal food-safety and cosmetic regulations apply, but no CITES hurdle exists for osmanthus concrete. (Some wild Osmanthus relatives are protected, but the cultivated O. fragrans used by Top is not.)
What certificates and accreditations can you provide?
Top can provide: ISO 9001 (quality management), Halal and Kosher certificates (on request — osmanthus is generally compatible), organic for dedicated lots (on request), a non-GMO declaration, certificate of origin, and a health certificate for food import on request. For EU we supply CLP-format SDS; for US we reference FEMA 3750 / 21 CFR 182.20.Third-party test reports (SGS, Eurofins) at buyer cost. Confirm available certificates at order time — some are per-lot / per-request rather than blanket.
What botanical species does osmanthus concrete come from, and where is it sourced?
Osmanthus concrete is the solvent extract of the flowers of Osmanthus fragrans (Thunb.) Lour. — Top uses the var. thunbergii Mak. (Jin-gui / Dan-gui, the fragrant gold/red-flowered group), sourced from Guilin, Guangxi, China, the classic osmanthus region.Top declares the botanical name and cultivar group on every COA. Note this is a solvent-extracted concrete (flower wax + aroma concentrate) of fresh osmanthus blossoms, the intermediate toward osmanthus absolute — a natural, flower-origin material, not a distilled oil.Top keeps the cultivar/variety declaration so the floral character (apricot / peach / woody ionone notes) is traceable.
Do you supply diluted or blend-ready osmanthus concrete?
Yes. Beyond the neat concrete, Top can supply diluted forms (for example, pre-dissolved in a carrier oil such as jojoba / MCT, or in food-grade ethanol at a defined percent) for easier handling and lower-cost trials, or a pre-blended base per your formula.Because this is a waxy concrete (not a volatile oil), dilution is by melting and blending with carrier oil or ethanol. Dilution medium and concentration are agreed per order and stated on the COA.Note that dilution changes the measured specification window, so the COA always declares the actual concentration and base. Neat lots remain the default for buyers...
How do you ensure batch-to-batch consistency and traceability?
Top controls consistency through Q/XXXX and per-batch GC-MS β-ionone floral fingerprint matched to the reference profile: each lot is matched (melting point, refractive index, yield within band, β-ionone ratio present). Traceability runs flower origin → salting → extraction → concrete with a lot-specific ledger and retention sample.If your application needs tight tolerances, tell Top and we can select lots from the same orchard/harvest or blend to a target floral profile. Every shipment carries a lot number linking to the COA and GC-MS on file.Top shares the QC ledger with GD01 osmanthus absolute for concrete→absolute continuity.