Clear opening 600x600mm for city construction composite FRP manhole cover have widely application for gas station, road builders, fuel station construction companies, water authorities, city utilities, telecommunications and design and civil engineering companies requiring a light weight and operational access solutions.

In China ,  PetroChina, SINOPEC and other fueling stations are our loyal clients for many years.

In abroad,  UK, USA, Australia , Kenya , Uganda, Singapore, Malaysia and other countries are using our covers always.

500mm FRP D400 Grating and  Frame  with FRP composite material. The D400 gully gratings are for petroleum industry, pedestrians areas, water system, electric utilities, telecommunications,and city utilities.

In China ,  PetroChina and  SINOPEC are our loyal clients for many years.

In abroad,  UK, USA, Australia , Kenya , Uganda, Singapore, Malaysia and other countries are using our covers always.