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      FIRM

      Ninghai Internal Combustion Engine Filter Factory is established in 1994


      Ningbo Xuyou  Communications Electrical Appliance Co.,Ltd  is established in 1998


      Xuyou Mold Factory is established in 2003


      Xuyou Pressure-Containing Parts  established in 2012


      Ningbo Xuyou  Filter Factory is completed in 2014


      Ningbo Xuyou Filter Factory went into operation in 2016


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