This video explains the main functions and practical uses of Q235B HDG Unistrut Channel in a clear, step-by-step format. Watch a full walkthrough of hot-dip galvanized C channel production, from raw steel to uniform 60–120μm zinc coating. See close-up demonstrations of slot adjustment, modular assembly with standard accessories, and load-bearing performance across 41×21mm to 41×82mm sizes. Learn how to specify the right wall thickness for solar mounting, seismic bracing, HVAC and electrical support—plus real installation tips that avoid on-site welding and protect the anti-corrosion layer.