rain-grating

الوصف

Our composite materials manhole covers are suitable for a huge range of applications that include: 1. Underground Electrical Installations: Draw pits, traffic lights, street lighting, Fiber optic cable ducts etc. *****: Connection chambers, Water, Gas, Petrochemical Installations. Advantage of our composite manhole cover: 1. No recycle value:Its popularity will contribute the manhole cover-stolen problem thoroughly. 2. High load capacity:Its high load capacity exceeds the ductile iron manhole cover. 3. Free design:It can be designed individually in terms of users' demands. 4. Good decorative effect:It can be designed in various colors and patterns with artistic effect of relief. 5. Long service life:There is no any crack in the experiment of 2, **0, **0 fatigue shocks. 6. Well sealed:It can be used to hermetically, and effectively prevent those poisonous gases leaking out from cesspool. 7. No any jangle:There is neither jangle nor rebound when cars pass by. 8. Good wear and corrosion resistance:It has good wear and corrosion resistance and it will be never rusted.