Documentation
A document chain, not a folder of promises.
Each file answers a different question. The buying record should keep the exact product, lot and commercial identity aligned.
Document map
Six common file layers.
Pair each file with the decision it supports.
COA routeConfirm the batch-specific analytical report and tested parameters.
TDS / specificationProduct identity, grade, appearance and agreed handling fields.
Safety dataCheck whether an SDS is available for the exact material and pack.
QuotationSKU, pack, Incoterm, validity and freight basis in one written file.
Sales contractBuyer, seller, specification, payment and delivery terms.
Commercial invoiceSeller identity, invoice type and tax basis confirmed for the transaction.
Transaction chain
Five comparisons before payment.
When one item does not match, pause and clarify it in writing.
CompanyLegal seller
SKUProduct identity
LotBatch record
InvoiceSeller and beneficiary
DestinationImport review
Important: a website, COA or factory photograph does not replace the current written specification, independent testing, official registry checks or destination-market review.
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