Cast Iron Grating

- Small - sized: 300mm×300mm, 400mm×400mm, usually used for small drainage ditches around buildings and indoor drainage facilities; small roads, sidewalks or small parking lots.
- Medium - sized: 500mm×500mm, often applied in non - motorized vehicle lanes of urban roads, small squares, and general factory workshops; 600mm×600mm, commonly used for sidewalks of general municipal roads and drainage of roads in residential areas.
- Large - sized: 800mm×800mm, mainly used in large squares, parking lots, and urban main roads; 1000mm×1000mm and above, utilized in large industrial plants, logistics parks, port docks, etc.
 Also available in circular, rectangular and other shapes.