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JG series railway ballast cleaning screen machine completely innovates the track maintenance operation mode, which can efficiently remove dirt, gravel impurities and aging ballast between sleeper. Its patented multi-layer vibration filter can accurately separate the available ballast and waste, and cooperate with the automatic backfilling device to complete the whole process of "screen-filter-backfilling" in a single operation, greatly reducing manual intervention, improving the line maintenance efficiency by more than 50%, providing a full mechanized bed maintenance solution for the global railway work section.