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  • The using site of steel gate (Hubei, China)

    The using site of steel gate (Hubei, China)

  • Winding-type Headstock

    Winding-type Headstock

  • The drainage site of Beijing international airport (Beijing, China)

    The drainage site of Beijing international airport (Beijing, China)

  • Steel Gate

    Steel Gate

  • The using site of reservoir gate （Guizhou China）

    The using site of reservoir gate （Guizhou China）

  • Power Station (Zhejiang China)

    Power Station (Zhejiang China)

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