China Telecom Composite Manhole Covers: First, the telecom well is an essential facility for the repair and laying of outdoor pipelines.For convenience, the cover plate should be set up. The usual Telecom manhole covers are round and rectangular,Heavy and light, of composite materials, cast iron, etc.  Telecom  EN124 B125 SMC/BMC  Manhole Cover Material SMC/FRP/GRP  Standard BS EN124 Load capacity A15/B125/C250 Metal content Matel free Color …