1.No recovery value and anti-theft--the plastic manhole cover use the SMC material and will solve the stolen problem thoroughly.
2.High load capacity--plastic manhole
covers have a high load capacity exceeds the ductile iron strictly conforms to BS EN124 Standard.
3.Light weighted--manhole covers of composite material is 30% lighter than covers of iron, which allows easy transportation and maintenance.
4.Free-design--It can be designed according to users' demands, including size, color, pattern, specification.
5.Well sealed--It can be used effectively prevent those poisonous gases leaking out from cesspool.
6.Logo application available
7.Long service life: about 30years