Chamber and cover is for the convenience of cable laying in construction or municipal engineering. Some are made of cement,and There are also chamber and cover by Plastic or BMC/SMC composite materials.In the past, HDPE plastic chamber is very popular As the inspection chamber,But this kind of material also has its own shortcomings.we provide the New Material–Smc Composite chamber and manhole … Continue reading SMC Composite or Plastic Chamber and cover for cable | Plastic manhole And Cover