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Development history Home > About
  • Industry leader
  • Technology leader
  • Standard setter
  • staff

    8 to 6,000 employees

  • Assets

    4000 yuan to 10 billion yuan of assets

  • scale

    200 square meters to 5.5 square kilometers

  •  Existing and development

    1988-1995

  • Reputation and future

    1995-2009

  • Revolution of door and window

    2009-2012

  • Building energy conservation

    2012-Till now

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