Buyer's Guide

Vendor Evaluation Checklist

ENSOL Engineering TeamPublished 2026-03-011 min read

Use this checklist to evaluate vendors consistently and avoid costly mistakes.

Evaluation checklist

Site-specific design (IS 875 / IS 1893)? Coating type and verified thickness (IS 4759 / ISO 1461)? ISO 9001:2015 and CPRI/NABL? Real client references? Pre-punched members for fast assembly? Test certificates and documentation with dispatch? Pan-India delivery and lead time?

Frequently asked questions

What is the single biggest red flag?
Unspecified or unverified coating thickness — it is the most common cause of premature corrosion.

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