Excellent performance: Similar hard property as cast iron, while have a overwhelming advantage on stretch recovery.
No theft value: Anti-rust, corrosion, water, dust, well sealed
Non-electricity conduction and non-heat conduction.
High load capacity:Load capacity are A15, B125,C250,D400
Light weight:The weight especially SMC manhole cover is lighter than cast iron and concrete.
Durable service life:More than 30 years service life without crack and color fading.
High Precision :Our Manhole Cover is shaped under high-temperature mould with pressure.
No Noise:Composite Manhole Cover has overcome the problem of making noise.
Dimension: 300x300mm, 400x400mm, 500x500mm, 600x600mm......
