square GRP manhole cover

which are made from glass fiber, resin, quartz and corundum.

Compared with traditional iron manhole cover, our products have

advantages as follows:

1. Strictly manufactured according to ISO 9001: 2000 and EN124;

2. High load capacity (max. 40ton);

3. Contain no metal, no scrap value, so nobody will steal it;

4. Long service life (min. 30 years);

5. Well sealed, no noise pollution or rebound;

6. Good wear and corrosion resistance, never rust;

7. Special relief sculpture on surface with good decorative effect;

8. Perfect design and rich colors individually.