JL-e/JL-B/JL-W type of rail double layer vibration shock absorber and noise reduction rail fasteners

The fastener is an e type non-bolt mounted elastic rod fastener specially developed for the subway. Its properties are fewer parts, compact structure, no bolt, stable fastening pressure, easy installation, and less maintenance. It mainly applies to metro railway transportation, which can reduce noise, vibration and other impact brought from subway to the surrounding urban environment.

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