Premium Stainless Steel Perforated Ventilation Grilles with Round Holes. Customized Surface Treatment: Surface treatment can be customized to meet specific project requirements. Customized Weight Options: Weight specifications can be customized according to customer needs. Wide Range of Hole Shapes: Available in round, square, hexagonal, diamond, triangular, and irregular patterns. Multiple Material Choices: Made from stainless steel, galvanized sheet, aluminum, brass, and low carbon steel. Fast Delivery Time: Standard delivery completed within 10 days for most orders. Comprehensive Processing Services: Offers bending, welding, decoiling, cutting, and punching services. ISO 9001 Certified Quality: Manufactured under ISO 9001:2015 quality management system standards. Versatile Industrial Applications: Suitable for filtration, sound insulation, decoration, and machinery protection.