Checking green tea extract heavy metals documents? Confirm COA fields, test method, sample lot, specification limit, packing and RFQ details first.
Requirements
This B2B sourcing guide helps purchasing, QA, product development and export teams prepare supplier questions before samples or quotation. Use the Green Tea Extract product page as the main commercial page, then confirm specification, document, sample, packing and destination details with the supplier.
Selection Criteria
| Review point | Buyer input | Why it matters |
|---|---|---|
| Document scope | Specification sheet, representative COA and requested heavy metals fields. | Document scope helps QA screen supplier readiness. |
| Method and limits | Test method, reporting unit and buyer target limit when applicable. | Method alignment supports document comparison. |
| Sample lot | Batch number, sample label, COA version and internal review note. | Sample traceability keeps approval records clear. |
| Application fit | Supplement, beverage, food or functional ingredient project format. | Application affects document expectations by buyer. |
| Commercial details | MOQ expectation, packing size, lead time and destination market. | Commercial details prepare the next quotation step. |
Practical Recommendation
Start with the intended application, target specification and document checklist. If the grade is fixed, send sample quantity, COA fields, packing request, MOQ expectation and destination market. If the grade is still open, ask for available specification options with representative COA and sample lot details.
Sample Review vs Bulk RFQ
| Dimension | Sample review | Bulk RFQ |
|---|---|---|
| Main purpose | Check powder behavior, specification fit and document readiness. | Confirm supply plan, MOQ, packing, lead time and export details. |
| Buyer input | Application, sample quantity, test matrix and COA needs. | Quantity, packing size, destination market and reorder expectation. |
| Limit | Needs later commercial confirmation. | Should follow sample and document approval when requirements are strict. |
Related Product Pages
- Green Tea Extract Supplier – Main page for heavy metals documentation and samples.
- EGCG 98 Powder Supplier – Adjacent high-assay green tea extract path.
- L-Theanine Green Tea Extract Supplier – Adjacent HPLC documentation path.
RFQ Checklist
- Required heavy metals fields and reporting unit.
- Specification limit or buyer target when applicable.
- Representative COA and sample lot number.
- Application and destination market.
- MOQ, packing, lead time and RFQ details.
Related Sourcing Pages
- Instant Tea Powder Supplier hub for category-level comparison.
- Green Tea Extract product page for product-level specification and quotation.
- Contact HERBSEA with application, sample, COA and RFQ details.
FAQ
Request specification sheet, representative COA, test method, reporting unit, sample lot and any buyer-specific target limit.
Yes, when QA approval or destination-market review depends on document readiness.
Use the Green Tea Extract product page or contact form with assay target, document fields, sample request and destination market.
Summary
Before comparing suppliers, align application, target specification, COA fields, sample plan, MOQ, packing, export documents and destination market. Clear inputs help suppliers respond with usable samples and quotation details.
Download or request the Tea Ingredient RFQ Checklist from HERBSEA.
