.webp)
What packaging materials and sizes are available?
Packaging favors sealed, labelled, low-oxygen, food-grade formats: amber/dark glass or aluminium-lined pouches (100-500 g) for premium lots, food-grade drums (1 kg, 5 kg, 25 kg). We pack sealed, labelled, and (for long storage) with oxygen absorbers.Keep away from heat and light. Damaged-pack claims are handled per the Incoterms and our complaint process.Packs are chosen to be compatible with the material form.
Is this lysimachia-concrete organic or wildcrafted?
Top sources from contracted cultivated bases; wildcrafted grade is not standard. Organic certification (EU 2018/848, NOP / USDA, or equivalent) can be arranged for dedicated lots from certified-organic sources, subject to segregated handling and lead-time / premium.Conventional (non-organic) lots are the default. Top can issue a non-GMO declaration; the COA states whether a lot is organic-certified or conventional.For organic Lysimachia Concrete, tell Top early so we reserve a certified run.
What is your order process and typical steps?
Typical flow:Inquiry with grade / volume / pack / destinationTop sends proforma invoice plus FOB quote plus specs (Q/XXXX)Buyer confirms and pays deposit (or opens L/C)Top produces / picks stock, runs QC plus assay plus sensory, issues COAShipment with full documentsAfter-sales (traceability, re-test, complaint channel).For new buyers we may start with a sample order. Lead times follow the agreed schedule.Top keeps one point of contact so the buyer always knows the order status.
Is there a national or ISO standard for lysimachia-concrete?
There is no single-product GB or ISO standard for lysimachia concrete. Top builds the spec on the enterprise standard Q/XXXX (built on GB 5009 series, GB 4789 series, and fragrance-material practice), with fragrance (not food) positioning. Must-TestCoumarin content, solvent residue, Pb/As/Cd/Hg, total plate count, mould & yeast. BackgroundLysimachia is a traditional Chinese fragrance/herb; its concrete has no dedicated ISO or single-product GB.. MethodsCoumarin by HPLC/GC; solvent residue by GB 5009.262; contaminants by GB 5009 series; micro by GB 4789 series.Buyers may name Q/XXXX as acceptance basis.
What is your minimum order quantity (MOQ)?
MOQ1 kg (samples 5-10 g available).Because lysimachia-concrete is a processed natural material, trial quantities are supported. Standard Commercial Packs1 kg (sealed pouch / drum), 5 kg and 25 kg food-grade drums.Recurring / contract volumes get priority allocation. If you need below 1 kg for lab evaluation, contact Top — we may supply a paid micro-sample.MOQ and pack options are confirmed on the quotation.
Can we set up a long-term supply agreement (LTA)?
Yes. For steady volume, Top recommends an LTA / annual framework that reserves processing slots and raw-material sourcing ahead, stabilizes price (with a review mechanism) and prioritizes your allocation.The LTA specifies grade (Q/XXXX or your spec), pack size, volume bands, lead time, quality agreement and complaint handling. Buyers under an LTA get buffer-stock priority and a dedicated contact.
What is the lead time from order to delivery?
Lead TimeBuffer-stock standard grade 3-7 days to dispatch; fresh batch 10-20 days (sourcing plus processing plus QC plus documentation).After dispatch, transit depends on incoterm (FOB Shanghai, sea to EU/US about 25-40 days; air 3-7 days). Top gives a firm dispatch date on the proforma and keeps the buyer updated.
What defines the composition of lysimachia-concrete?
It is a coumarin-rich herbaceous concrete (coumarin-type and tobacco-like notes), a fragrance class rather than an edible-oil class whose identity markers are coumarin-type compounds with herbaceous tobacco-like volatiles. Top fingerprints GC-MS for the coumarin/herbaceous volatile fingerprint as authenticity/quality markers.Top fingerprints the volatile profile and screens for synthetic coumarin or solvent residue issues. Each COA reports coumarin content, solvent residue (GB 5009.262), heavy metals and micro; the identity is the natural Lysimachia foenum-graecum Hance (Chinese sweet grass) profile, not a single volatile oil.
Which Incoterms do you support?
Top commonly trades on FOB (Shanghai / Qingdao), CIF / CFR, EXW, and DAP / DDP by agreement. FOB is default for most B2B buyers (you arrange main freight and insurance).For buyers wanting simplicity we can quote CIF/CFR (we arrange freight) or DAP/DDP (delivered to your door with duties handled). The chosen Incoterm is stated on the proforma and affects who books freight and where risk transfers.Tell Top your preference and we will align documentation.