Composite manhole cover color
black,gray,green,blue,red,yellow
Composite manhole cover certificate
CE&EN124,SGS,ISO9001,ISO14001,BV
Composite manhole cover weight
half weight than cast iron
recycle value
zero theft value
Composite manhole cover noise
less noise and lower vibration transmissions
Composite manhole cover conduction
non-electricity conduction and non-heat conduction
safety systerm
with stainless steel screw
surface pattern design
according to the requirements of customers,but paid for the customer