<?xml version="1.0" encoding="UTF-8"?>
<!--
  sitemap.xml — CINRG Systems Inc.
  Lists every public page on cinrg.com for search engines and AI crawlers.
  Compliant with the sitemaps.org/0.9 schema.

  HOW TO MAINTAIN:
    - When you publish a new page, add a <url> block in the appropriate
      section below.
    - Update <lastmod> to the date the page was last meaningfully changed
      (ISO 8601: YYYY-MM-DD).
    - Submit this file to:
        Google Search Console — https://search.google.com/search-console
        Bing Webmaster Tools  — https://www.bing.com/webmasters
    - Already advertised in /robots.txt under "Sitemap:".
-->
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9">

  <!-- ===================== Home ===================== -->
  <url>
    <loc>https://cinrg.com/</loc>
    <lastmod>2026-05-04</lastmod>
    <changefreq>weekly</changefreq>
    <priority>1.0</priority>
  </url>

  <!-- ===================== Products ===================== -->
  <url>
    <loc>https://cinrg.com/cs-apc-3.html</loc>
    <lastmod>2026-05-04</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.9</priority>
  </url>
  <url>
    <loc>https://cinrg.com/cs-apc-2.html</loc>
    <lastmod>2026-05-04</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.8</priority>
  </url>
  <url>
    <loc>https://cinrg.com/cs-apc-22m.html</loc>
    <lastmod>2026-05-04</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.9</priority>
  </url>
  <url>
    <loc>https://cinrg.com/cs-hva-1.html</loc>
    <lastmod>2026-05-04</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.9</priority>
  </url>
  <url>
    <loc>https://cinrg.com/cs-sds-2.html</loc>
    <lastmod>2026-05-04</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.9</priority>
  </url>
  <url>
    <loc>https://cinrg.com/cs-cinstan.html</loc>
    <lastmod>2026-05-04</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.9</priority>
  </url>

  <!-- ===================== Knowledge base ===================== -->
  <url>
    <loc>https://cinrg.com/faq.html</loc>
    <lastmod>2026-05-04</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.8</priority>
  </url>
  <url>
    <loc>https://cinrg.com/glossary.html</loc>
    <lastmod>2026-05-04</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.8</priority>
  </url>
  <url>
    <loc>https://cinrg.com/blog.html</loc>
    <lastmod>2026-05-04</lastmod>
    <changefreq>weekly</changefreq>
    <priority>0.8</priority>
  </url>
  <url>
    <loc>https://cinrg.com/documents.html</loc>
    <lastmod>2026-05-04</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.7</priority>
  </url>

  <!-- ===================== Blog posts ===================== -->
  <url>
    <loc>https://cinrg.com/blog-cs-apc-22m.html</loc>
    <lastmod>2026-05-04</lastmod>
    <changefreq>yearly</changefreq>
    <priority>0.7</priority>
  </url>
  <url>
    <loc>https://cinrg.com/blog-ghost-particles.html</loc>
    <lastmod>2026-05-04</lastmod>
    <changefreq>yearly</changefreq>
    <priority>0.7</priority>
  </url>
  <url>
    <loc>https://cinrg.com/blog-water-glycol-method.html</loc>
    <lastmod>2026-05-04</lastmod>
    <changefreq>yearly</changefreq>
    <priority>0.7</priority>
  </url>
  <url>
    <loc>https://cinrg.com/blog-2806-standards.html</loc>
    <lastmod>2026-05-04</lastmod>
    <changefreq>yearly</changefreq>
    <priority>0.6</priority>
  </url>

  <!-- ===================== About / authors ===================== -->
  <url>
    <loc>https://cinrg.com/about-us.html</loc>
    <lastmod>2026-05-04</lastmod>
    <changefreq>yearly</changefreq>
    <priority>0.7</priority>
  </url>
  <url>
    <loc>https://cinrg.com/bill-quesnel.html</loc>
    <lastmod>2026-05-04</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.8</priority>
  </url>
  <url>
    <loc>https://cinrg.com/alistair-geach.html</loc>
    <lastmod>2026-05-04</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.8</priority>
  </url>

  <!-- ===================== Sales & support ===================== -->
  <url>
    <loc>https://cinrg.com/dealers.html</loc>
    <lastmod>2026-05-04</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.6</priority>
  </url>
  <url>
    <loc>https://cinrg.com/contact.php</loc>
    <lastmod>2026-05-04</lastmod>
    <changefreq>yearly</changefreq>
    <priority>0.5</priority>
  </url>
  <url>
    <loc>https://cinrg.com/support/</loc>
    <lastmod>2026-05-04</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.5</priority>
  </url>

  <!-- ===================== Safety & legal ===================== -->
  <url>
    <loc>https://cinrg.com/sds.html</loc>
    <lastmod>2026-05-04</lastmod>
    <changefreq>monthly</changefreq>
    <priority>0.6</priority>
  </url>
  <url>
    <loc>https://cinrg.com/privacy.html</loc>
    <lastmod>2026-05-01</lastmod>
    <changefreq>yearly</changefreq>
    <priority>0.3</priority>
  </url>

</urlset>
