Sourcing & Logistics
Quality documents: RoHS, REACH, and certificates of analysis
What quality documents suppliers can provide and how to request them.
Last updated on 2026/01/26
Why documentation matters
Quality documents reduce approval cycles, especially for regulated industries or export workflows.
Common documents
- RoHS / REACH declarations.
- COA (certificate of analysis).
- Dimensional inspection reports.
- Material composition statements.
How to request documents in an RFQ
- Specify which documents are mandatory vs optional.
- Note any required standards or formats.
- Ask for sample documents before final approval.
Typical limitations
- Some suppliers only provide documents on confirmed orders.
- Lead time may increase for third-party testing.
Best practice
Include documentation requirements in the first RFQ to avoid rework and delays.
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