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    2. Tasting life, moving forward

      Provide users with a new generation of automatic security door having Germany standard.

      D.DONG Innovation Germany Patent

      Fully automatic 30 locks points

      No need counter door!

      Several patents 1.2 million locks dual insurance

      Global new generation automatic security door, 1 second easy open

      Make a security door that goes beyond the expectations of the customer

      German quality

      Enough thickness, enough freedom

      Refrigerator heat preservation material filling, excellent sound insulation heat preservation performance

      copyright © 2016 Shanghai D.DONG Trade co.,LTD

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