Yes, we can provide different lock systems for our manhole covers. Frankly speaking, the thieves don’t like our manhole covers because it’s 100% composite material. They only like some cast iron manhole covers with some economic value.
Do you put steel bars into your composite manhole covers?Rock Yuan Admin2019-02-17T23:13:40+00:00
All of our composite manhole covers, composite rain-grating and tree-grating are produced according to EURO standard EN124. In China, over 95% of factories for producing composite manhole covers use China National Standard. The maximum load ability of our GRP manhole covers can reach D400(40tons).