The integrated modular manhole cover adopts advanced design concepts and manufacturing processes to integrate multiple components.

Compared with traditional manhole covers, the modular manhole cover adopts an “integrated” design that connects the manhole cover with the precast concrete well tool seat.

The installation and construction period is short, and the impact on public transportation is minimized to the greatest extent possible.

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At the same time, precast manhole covers can improve construction accuracy, effectively solve problems such as abnormal noise, looseness, displacement, and falling, and reduce operation and maintenance costs.

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