中国交建三航局第三工程有限公司成立于1965年11月,具有“港口与航道工程施工总承包一级、市政公用工程施工总承包一级、地基与基础工程专业承包一级、桥梁工程专业承包一级、混凝土预制构件专业承包二级、公路工程施工总承包二级、铁路工程施工总承包三级、隧道工程专业承包二级”的经营资质 China Construction Association Third Air Navigation Engineering Co., Ltd. was established in November 1965 in November 1965, with “port and waterway construction general contracting level, municipal public works construction contract level, foundation and foundation engineering contracting level, the bridge Engineering contracting level, the concrete prefabricated professional contracting two, highway construction general contracting two, railway construction general contracting three, tunnel engineering contracting two ”business qualifications