Improper selection and installation of corrosion‑resistant cleanroom panels often trigger rusting, dirt accumulation and non‑compliant cleanliness test results in medical renovation, pharmaceutical and food‑grade clean‑room projects. This step‑by‑step practical guide covers working‑condition analysis, parameter verification, delivery confirmation and on‑site construction control. It helps purification contractors and hospital infrastructure teams pick qualified corrosion‑resistant cleanroom panels, avoid rework and smoothly pass clean‑room acceptance checks.