Thickness(mm)Panel sizeWeight(Kg)Loading Capacity 35 L500mmxW320mm12.5 12.5Tons 50 L500mmxW350mm20.0 30.0Tons Composite gully grating is widely used inarchitectual fieldsas well ascity planning projects. We specialize in producing various composite gully gratings as per the customer's requirements. The advantages of composite gully grating: 1.High loading capacity 2.light weight 3.Flame retardancy 4.Anti-slip 5.corrosion resistance 6.Impact resistance 7.Easy maintenance.