沙井
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TNB ELECTRICAL MANHOLE
Precast concrete electrical manholes are used to protect vital connections and controls for modern electricty distribution.
Our precast concrete manholes are produced in a controlled environment and provide superior performance for long-term solution.
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Precast concrete Telecom Manholes
- install quickly and easily, strengthen over time, can be made watertight, and provide excellent durability during backfill and use.
- It is normally provided for the underground pipes of telecommunication cables for development projects at regular intervals and locations.
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