Our composite manhole covers adopts the latest technology of Europe and America. It is the effort of our firm cooperation with Beijing chemical industry university and Beijing institute of technology. The main material is high performance modified SMC sheet, and our company has won 11 national patents. What’s more, we has won the high-tech enterprise certificate.

It can be used in various applications such as inspection chambers for sewerage, underground Electrical Cabling, Telecom Cabling, Water, Gas and Petroleum Installations, Beautification of Gardens and Landscapes. Composite Gratings can be used for roadside water entrance chambers, roadside gratings and also road crossover gratings which can take load of urban traffic. These composite gratings are best suited for swimming pool applications also.

Advantages:
-The composite manhole covers are strictly manufactured according to ISO9001:2000.
-100% waterproof, Weatherproof, Corrosion free material for our composite manhole covers.
-Contain Zero metal, no scrap value, no one will steal it.
-High load capacity for our composite manhole covers, it can be used in all kinds of road according to its load capacity.
-Our composite sewer covers has very long service life(at least can be used 30 years)
-The composite manhole covers can be made in decorative surface designs even with Logo and different granite finishes.
-Good temperature resistance from -40°c to 80°c Centigrade.
-All of our composite manhole covers with SGS tested approved are manufactured according to BS-EN124.