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    ABOUT US
    關于海川
    • 01
      Class A General Contractor of Housing Construction
    • 02
      Class A Special Contractor of Steel Structure
    • 03
      Class A Special Contractor of Buildings Decoration
    • 04
      Class A Special Contractor of installation of mechanical and electrical equipment
    • 05
      Class A Special Contractor of building curtain wall
    • 06
      Class B General Contractor of Municipal Public Works Construction
    • 07
      Qualification for Foreign Contracting of The People's Republic of China
    • 08
      IS09001Quality Management System Certification
    • 09
      ISO14001Environment Management System Certification
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    青岛海川建设集团有限公司