The compound manhole cover not only has the function of anti-theft but also is convenient and beautiful. The weight of the product with the same specification is only one third of that of the resin manhole cover.

The compound manhole cover has the functions of heat resistance, wear resistance, acid resistance, aging resistance, cold resistance and pressure resistance. The product has obvious wear-resisting, heat-resisting, cold-resisting, acid-resisting and anti-aging properties, and has a long service life. It is suitable for parks, sidewalks and community places.