Jiuding covered grating is constructed with grating and flat sheet. Special banding way is considered to get a closely banded structure. The product has excellent mechanical property as well as integral structure stability and there are three surfaces options: smooth cover, gritted cover and chequer plate cover. The product is used to protect smelly materials from emission as well as small matters from falling into trenches. The product is ideal for chemical plant, waste water treatment, machinery and foodstuff plant.

- Features: heavy duty, integral structure stability, good isolation
- Surfaces: grit, smooth, chequer plate cover
- Resins: GP, ISO, VE
- Dimensions: No 1 through No 28