We are a specialized in selling manhole covers company, we have two different materials major products. one is made of ductile cast iron manhole covers and the other one is made of composite materials manhole covers .Our products are strictly produced according to the bs en124 and have obtained various kinds of certificates.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.*****:connection chambers, water, gas, petrochemical installations.