Steel grating ceiling is a design and manufacturing of steel grating interior ceiling products. It has a lightweight steel grating structure, aesthetics, high strength viable human features, and ease of installation, the surface of the steel grating hot-dip zinc, with a 30-year anti-corrosion paint is durable and maintenance-free features. Materials: high-quality hot-rolled strip steel or flat steel, twist steel, carbon steel and stainless steel materials. Bar spacing: The 50,100mm. Crossbar Size: 6x6mm commonly twisted steel, small size steel grating take 5X5mm twisted steel, stainless steel bar used 5mm in diameter. Flat Size: 20 × 3mm common to 75 × 6mm and other specifications. Flat pitch: using 30mm, 40mm, 60mm. Surface treatment: G for hot-dip zinc, P for dipping, U as the surface is not treated (may abbreviated). Purpose: Grating ceiling can be widely used in industrial and civil construction ceiling tobacco manufacturers, industrial plants, major sports stadiums, convention centers, large commercial, railway stations, docks, airports and so on.