It is mainly used in some factories and communities. This is mainly because the cement trench cover is often crushed and the road surface is also damaged. Therefore, the ditch cover plate made of steel grating is suitable for different load loads. Due to the simple construction of the ditch cover plate, light weight, good load bearing, impact resistance, no bending, large displacement, beautiful and durable after hot-dip zinc treatment, anti-corrosion, it has the incomparable advantages of ca...