1.Environmental protection. 2.Saving mine resource. 3.Longevity. 4.Competitive price. 5.Light weight.

1.No recycle value: The composite manhole covers' popularity will contribute to prevent manhole cover-stolen problem thoroughly.2.High load capacity:The composite mahole covers' load capacity exceeds ductile iron manhole covers'.3.Free design:The composite manhole covers can be designed individually in terms of the  users' demand.4.Good decorative effect:Our composite manhole covers can be designed in various colors and patterns with artistic effect of relief.5.Long service life:There is no crack in the experiment fatigue shocks.6.Well sealed:All the composite manholecover can hermetically and effectively prevent those poisonous gases from leaking.7.No jangle:There is no jangle or rebound when cars passing by.8.Good wear and corrosion resistance:Our composite manhole covers have good wear and corrosion resistance and will never be rusted.

Magnesite Manhole Cover