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    Battery pole test system patent certificate 190713
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    Dynamic fatigue tester software (2019sr0401284)
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    Copyright registration certificate of testing machine software
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    Edit A wheel rail friction fatigue test device with wheel power mechanism
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    Silent hydraulic servo oil source
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    A wheel rail friction fatigue test device with reaction frame
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    A wheel rail friction fatigue test device with trolley anti lateral deflection mechanism
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    Edit A wheel rail friction fatigue test device with trolley anti-collision mechanism
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    A wheel rail friction fatigue test device with vertical pressing mechanism
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    Automatic manometer
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    Wheel rail friction fatigue test device with horizontal pushing mechanism