Bridge (cable tray) is a metallic or non-metallic structural system used to support, protect and lay cables and wires, which is widely used in the industries that need to centralise the management of cables. The following are the main application industries of bridge: 

1. Power and Energy Industry 

Power plants (thermal, hydro, nuclear, wind, photovoltaic power plants) for laying high and low voltage cables.

Substations and distribution rooms to support power transmission cables.

Oil & Gas Industry For cable management in oil fields, refineries, and pipeline corridors.

2. Construction & Real Estate Industry 

Strong and weak power cabling for commercial buildings (office buildings, shopping malls, hotels).

Basement and public area cable laying in residential neighbourhoods.

Cable routing between server cabinets in data centres (IDC).

3. Industrial Manufacturing and Automation 

Cable management in factory floors (e.g. automotive manufacturing, electronics factories, chemical plants).

Automated production lines for wiring of robots, PLC control systems.

Mining and metallurgy industry, supporting heavy duty cables and explosion-proof cables.

4. Transport & Municipal Engineering 

Cable bridge systems for metro, high speed rail, airport.

Lighting, monitoring and communication cable laying in tunnels and bridges.

Urban comprehensive pipeline corridor, unified management of power, communication, water supply and drainage pipelines.

5. Communication and IT Infrastructure 

Optical fibre and cable routing for telecom rooms, 5G base stations.

Inter-cabinet connections for data centres (server rooms, cloud computing centres).

Signal transmission cable support for broadcasting and TV systems.

6. Special environmental applications 

Chemical and explosion-proof environments: use corrosion-resistant, flame-retardant or explosion-proof bridges (e.g. FRP bridges).

Marine engineering: using stainless steel or hot dip galvanised bridge, salt spray corrosion resistant.

Medical & Laboratory: special cable management needs for clean rooms, hospitals.

Main Types of Bridge Trays 

According to different application scenarios, bridge trays can be divided into: 

Trough type bridge trays (closed, dustproof and anti-disturbance, suitable for data centres, precision electronics).

Ladder type bridge (open type, good heat dissipation, suitable for power cable laying).

Tray type bridge (general-purpose, taking into account the protection and heat dissipation).

Grid-type bridge (lightweight, suitable for IT room, flexible cabling).

Bridge is an important infrastructure for modern cable management, involving almost all industries that require centralised cabling, especially in intelligent buildings, new energy, data centres and other areas where demand continues to grow.