Anti-theft round polymer concrete manhole cover

1. Beautiful appearance: simple lines, silver appearance, modern ideas

2. Drainage: The leaking area is 83.3%, which is more than twice that of cast iron.

3. Hot-dip galvanizing: strong anti-rust ability, free of maintenance and replacement for 30 years.

4. Anti-theft design: the lid and the frame are connected by a hinge, which is anti-theft, safe and easy to open

5. Investment saving: when large span and heavy load, the price is lower than cast iron; and it can save the cost of replacement of cast iron cover due to theft or crushing.

6. High strength: The strength and toughness are much higher than cast iron, which can be used in large-span and heavy-load environments such as docks and airports.

7. Numerous varieties: meet the needs of different environments, loads, spans and shapes, and can be manufactured according to the size and shape provided by the customer.