High-Quality Galvanized Perforated Metal Sheet Round/Square Factory Price. Made from premium stainless steel, galvanized steel, mild steel, aluminum, and other metal materials, offering excellent strength, durability, and corrosion resistance. Available in round, square, rectangular, slotted, hexagonal and decorative hole patterns to meet different functional and architectural requirements. Hole diameter, hole spacing, pattern arrangement, sheet thickness, and overall dimensions can be customized according to customers'drawings or project requirements.