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            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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