```xml
<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"
        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:schemaLocation="http://www.sitemaps.org/schemas/sitemap/0.9
        http://www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd">

    <!-- الصفحة الرئيسية -->
    <url>
        <loc>https://riverservices-supply.com/</loc>
        <lastmod>2025-01-15</lastmod>
        <changefreq>daily</changefreq>
        <priority>1.0</priority>
    </url>

    <url>
        <loc>https://riverservices-supply.com/riverservices.php</loc>
        <lastmod>2025-01-15</lastmod>
        <changefreq>daily</changefreq>
        <priority>1.0</priority>
    </url>

    <!-- صفحات الخدمات -->
    <url>
        <loc>https://riverservices-supply.com/services.php</loc>
        <lastmod>2025-01-15</lastmod>
        <changefreq>weekly</changefreq>
        <priority>0.9</priority>
    </url>

    <!-- صفحة المعدات -->
    <url>
        <loc>https://riverservices-supply.com/equipment.php</loc>
        <lastmod>2025-01-15</lastmod>
        <changefreq>weekly</changefreq>
        <priority>0.9</priority>
    </url>

    <!-- صفحة القطاعات -->
    <url>
        <loc>https://riverservices-supply.com/industries.php</loc>
        <lastmod>2025-01-15</lastmod>
        <changefreq>weekly</changefreq>
        <priority>0.8</priority>
    </url>

    <!-- صفحة من نحن -->
    <url>
        <loc>https://riverservices-supply.com/about.php</loc>
        <lastmod>2025-01-15</lastmod>
        <changefreq>monthly</changefreq>
        <priority>0.8</priority>
    </url>

    <!-- صفحة المدونة -->
    <url>
        <loc>https://riverservices-supply.com/blog.php</loc>
        <lastmod>2025-01-15</lastmod>
        <changefreq>daily</changefreq>
        <priority>0.9</priority>
    </url>

    <!-- مقالات المدونة -->
    <url>
        <loc>https://riverservices-supply.com/blog-post-1.php</loc>
        <lastmod>2025-01-15</lastmod>
        <changefreq>monthly</changefreq>
        <priority>0.7</priority>
    </url>

    <url>
        <loc>https://riverservices-supply.com/blog-post-2.php</loc>
        <lastmod>2025-01-10</lastmod>
        <changefreq>monthly</changefreq>
        <priority>0.7</priority>
    </url>

    <url>
        <loc>https://riverservices-supply.com/blog-post-3.php</loc>
        <lastmod>2025-01-05</lastmod>
        <changefreq>monthly</changefreq>
        <priority>0.7</priority>
    </url>

    <url>
        <loc>https://riverservices-supply.com/blog-post-4.php</loc>
        <lastmod>2025-01-01</lastmod>
        <changefreq>monthly</changefreq>
        <priority>0.7</priority>
    </url>

    <url>
        <loc>https://riverservices-supply.com/blog-post-5.php</loc>
        <lastmod>2024-12-28</lastmod>
        <changefreq>monthly</changefreq>
        <priority>0.7</priority>
    </url>

    <!-- صفحة الاتصال -->
    <url>
        <loc>https://riverservices-supply.com/contact.php</loc>
        <lastmod>2025-01-15</lastmod>
        <changefreq>monthly</changefreq>
        <priority>0.8</priority>
    </url>

    <!-- الصفحات القانونية -->
    <url>
        <loc>https://riverservices-supply.com/privacy-policy.php</loc>
        <lastmod>2025-01-15</lastmod>
        <changefreq>monthly</changefreq>
        <priority>0.5</priority>
    </url>

    <url>
        <loc>https://riverservices-supply.com/terms-conditions.php</loc>
        <lastmod>2025-01-15</lastmod>
        <changefreq>monthly</changefreq>
        <priority>0.5</priority>
    </url>

    <url>
        <loc>https://riverservices-supply.com/refund-policy.php</loc>
        <lastmod>2025-01-15</lastmod>
        <changefreq>monthly</changefreq>
        <priority>0.5</priority>
    </url>

</urlset>
```