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    1. EN
      ABOUT US
      关于海川
      • 01
        建筑工程施工总承包特级
        Class Special Grade General Contractor of Housing Construction
      • 02
        建筑行业(建筑工程、人防工程)甲级工程设计
        Construction industry (Construction Engineering, civil air defense engineering) grade a project design
      • 03
        钢结构工程专业承包壹级
        Class A Special Contractor of Steel Structure
      • 04
        建筑装修装饰工程专业承包壹级
        Class A Special Contractor of Buildings Decoration
      • 05
        建筑机电安装工程专业承包壹级
        Class A Special Contractor of installation of mechanical and electrical equipment
      • 06
        建筑幕墙工程专业承包壹级
        Class A Special Contractor of building curtain wall
      • 07
        市政公用工程施工总承包贰级
        Class B General Contractor of Municipal Public Works Construction
      • 08
        中华人民共和国对外承包工程资格
        Qualification for Foreign Contracting of The People's Republic of China
      • 09
        ISO 9001质量管理体系认证
        IS09001Quality Management System Certification
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