ACONCN Composite
Anti-settlement, no edge damage, corrosion resistant
- Anti-theft
- Lightweight
- Noise-free
- Eco-friendly
Cast Iron
Prone to settlement, edge damage, corrosion
- High theft risk
- Heavy weight
- Noisy operation
- Not eco-friendly
Noise Comparison
Cast iron manhole covers produce noise when vehicles pass over due to settlement and vibration.
ACONCN composite covers stay level and silent, eliminating noise pollution.
Detailed Comparison Chart
