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Manhole frame and covers

If you are interested in Manhole frame and covers,please contact us.

1.Excellent electrical insulation resistance ,arc resistance and signs of leakage. 2.Excellent mechanical strength ,flame resistance and heat resistance.

3.Non-recycle value for anti-theft.

4. Anti acid ,alkali and chemical corrosion,impact resistance ,anti-rust,water-ability,durable (30~50 years),locking option.

When damaged,no holistic hole,avoids sudden accident. Use the superfine carbonate ,good density.

5. Only 1/3 weight of the cast iron one ,and 1/2 of the BMC with steel one.

6. Convenient transportation and installation reduce work intensity.

7. Physical appearance is beautiful,smooth,no distort ,easy to open. Unique multi-directional spot resistant tread pattern. 

8. Noise is very low and rebounding free when car roll on.

9.With perfect decoration effect and the color will be the right

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