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cast iron manhole cover and frame and gully grating

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cast iron manhole cover and frame and gully grating
cast iron manhole cover and frame and gully grating
cast iron manhole cover and frame and gully grating
cast iron manhole cover and frame and gully grating
cast iron manhole cover and frame and gully grating
The Ductile Cast iron Manhole Covers and frames and gully and grate which are produced by our company with below advantages:
Security,prevent the cover being stolen
No noise.
High load-bearing
corrosion resistance
Safe
1. .According to BS EN124:1994,
2. The material grade: GGG500/7,
3.Coating: black bitumen, epoxy powder.
4:球: A15, B125, C250, D400, E600 and F900
Ductile iron manhole covers and gully grates are divided into the following classes:
A15, B125, C250, D400, E600 and F900.
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