Buyer's Guide

Supplier Qualification Guide

ENSOL Engineering TeamPublished 2026-03-011 min read

Supplier qualification confirms a vendor can deliver to your quality and volume needs before you award work.

What to verify

Verify ISO 9001:2015, CPRI/NABL test capability, galvanising verification, fabrication capacity and a real client track record.

Documents to request

Ask for certifications, sample test certificates, GTP and QA plans. ENSOL supplies these as standard.

Frequently asked questions

What documents prove quality?
ISO 9001:2015 certification, CPRI/NABL test certificates, coating-thickness reports and guaranteed technical particulars.

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