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Manhole Covers

Manhole Covers

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Square series manhole coverSquare series manhole cover
01

Square series manhole cover

2025-08-25

Original technology: Triple anti noise patented technology protection ensures safer and more environmentally friendly use of manhole covers.

Original technology: Double anti-theft patented technology protection, making the manhole cover safer after 30  million times of wheel rolling without damage or deformation. The manhole cover has the highest safety level and more than 50 processes are carefully checked.

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Circular series manhole coverCircular series manhole cover
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Circular series manhole cover

2025-08-25

Original technology: Triple anti noise patented technology protection ensures safer and more environmentally friendly use of manhole covers.

Original technology: Double anti-theft patented technology protection, making the manhole cover safer after 30 million times of wheel rolling

without damage or deformation. The manhole cover has the highest safety level and more than 50 processes are carefully checked.

view detail