It has its own advantages over traditional materials(BMC,SMC,CAST IRON manhole covers,etc).
Our Advantages as follows:
-The fiberglass manhole covers supplied by us(one of biggest Composite COVER MANUFACTURERS in China) are Strictly manufactured according to ISO9001:2000.
-100% waterproof, Weatherproof, Corrosion free material for our manhole covers.
-Our Composite manhole cover and grating Contain Zero metal, no scrap value, no one will steal it.
-High load capacity for our Ductile Iron covers/Grating, it can be used in all kinds of road according to its load ablility.
-Our Fiberglass sewer covers has very long service life(at least can be used 30 years)
-Good temperature resistance from -40°c to 80°c Centigrade.
-All of our compoiste manhole covers with SGS tested approved are manufactured according to BS-EN124.
