Characteristics of nodular iron rainwater grates:
1, Long life: corrosion resistant, maintenance free and available for more than 50 years.
2, bearing capacity: bearing capacity far exceeds other products, large bearing pressure, prevent breaking, vehicle falling and other safety accidents.
3, anti-theft: ordinary anti-theft design, new anti-theft design, manhole cover and well ring using high strength bolt connection, integrated design.
4, anti-hop cover: the grates adopts anti-proof rubber ring so that the vehicle has no noise when passing and meets the environmental protection requirements.
Good safety: manhole grate and manhole frame closely combined, will not produce jumping, seesaw, displacement and other phenomena, no noise, safe and reliable.