What factors influence the lycium-barbarum-concrete price?
Main drivers:Grade — the defined key markersRaw-material cost and sourcingPack size and volumeCurrency / freight.FX and freight quoted separately. Top explains the drivers on each quotation.
Do you allow pre-shipment inspection (PSI) before loading?
Yes. Buyers or their inspector may perform pre-shipment inspection at Top's facility or the forwarder's warehouse before loading — verifying pack integrity, net weight, lot numbers, labelling and sealing, and drawing samples for independent lab tests (including the key markers and solvent residue for lycium-barbarum-concrete).PSI also confirms correct sealed, labelled, food-grade packing. Top schedules PSI into the lead time and provides access to the lot and documents.If PSI finds a discrepancy, we resolve it (re-pack, re-test, replace) before the cargo is booked. PSI is coordinated alongside the agreed Incoterm.
What are the typical physicochemical specifications?
lycium-barbarum-concrete is a dark-red to reddish-brown viscous concrete/paste, with characteristic sweet, slightly earthy goji berry odour. Typical window (each COA states the measured batch value within Q/XXXX): polysaccharide content ≥ declared; carotenoid content ≥ declared; moisture ≤ X%; Pb ≤ 0.5 mg/kg (GB 2762).Consult COA; oil-soluble forms disperse in oil phases. Top conforms to Q/XXXX and reports markers per batch; dose per formulation.Top conforms to Q/XXXX and reports the markers per batch.
What payment terms do you offer?
Top offers flexible terms by partnership stage: T/T (30% deposit plus 70% against B/L copy, or 100% prior for small orders), L/C at sight for established B2B buyers, and negotiated terms for long-term contracts / LTAs. For first orders we typically require advance payment or a confirmed L/C. Samples are usually paid upfront (often net, sometimes free for qualified buyers).Tell Top your preferred method and we will align the contract; payment terms are stated clearly on the proforma invoice.
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 lycium-barbarum-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 Lycium Barbarum 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 lycium-barbarum-concrete?
There is no single-product GB or ISO standard for goji concrete. Top builds the spec on the enterprise standard Q/XXXX (built on GB 2762 food contaminants, GB 2760 flavour-use framework, GB 5009 series), with the relevant medicine-food dual-use management. Must-TestPolysaccharide content, carotenoid content, moisture, Pb/As/Cd/Hg/Cu, total plate count, coliforms, mould & yeast. BackgroundGoji is a traditional Chinese medicinal and food berry (medicine-food dual-use); its concrete has no dedicated ISO or single-product GB.. MethodsPolysaccharides by phenol-sulfuric acid or HPLC; carotenoids by HPLC; 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 lycium-barbarum-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.