Heavy Duty Tubular Steel Fence For Site Boundary This heavy-duty tubular steel fence is engineered for robust and permanent site boundary demarcation and perimeter security. Constructed with thick-walled tubular steel frames, it features exceptional structural rigidity, high impact resistance and strong load-bearing capacity, far more stable than ordinary mesh fences. Adopted with premium galvanized or powder-coated finishing, it delivers superior anti-rust, anti-corrosion