Tunnel Maintenance Class BTunnel Maintenance Class BHighway traffic engineering highway safety facilities professional contracting secondaryMunicipal Public Works Construction General Contracting Level IIBridge engineering professional contracting secondaryTunnel engineering professional contracting secondaryProfessional contracting of highway pavement works Class IGrade I highway engineering construction general contracting
Subgrade and pavement maintenance grade BSubgrade and pavement maintenance grade BTunnel Maintenance Class BTunnel Maintenance Class BWater conservancy and hydropower project construction general contracting level IIProfessional contracting of highway pavement works Class IIProfessional contracting of highway subgrade worksGrade II general contracting of highway engineering construction
Zhonggong Chengke (Jilin) Engineering Consulting Co., Ltd.
Total 22 qualifications
********
********
吉林省长春市南关区
Bridge Maintenance Class BBridge Maintenance Class BTunnel Maintenance Class BTunnel Maintenance Class BMaintenance of traffic safety facilities is not gradedMaintenance of traffic safety facilities is not gradedEngineering Investigation Geotechnical Engineering Major Grade BEngineering Design Highway Industry Highway Specialty Class A
Antu County Wanbao Highway Maintenance Co., Ltd.
Total 14 qualifications********
********
吉林省延边朝鲜族自治州安图县
Subgrade and pavement maintenance Class ASubgrade and pavement maintenance Class ABridge maintenance, Grade ABridge maintenance, Grade AMaintenance of traffic safety facilities is not gradedMaintenance of traffic safety facilities is not gradedGrade II general contracting of highway engineering constructionTunnel Maintenance Class B
Hunchun Rongcheng Highway Maintenance Engineering Co., Ltd.
Total 13 qualifications********
********
吉林省延边朝鲜族自治州珲春市
Tunnel Maintenance Class BTunnel Maintenance Class BMaintenance of traffic safety facilities is not gradedMaintenance of traffic safety facilities is not gradedBridge Maintenance Class BBridge Maintenance Class BGrade II general contracting of highway engineering constructionSubgrade and pavement maintenance Class A
Heilongjiang Longjian Road and Bridge Fifth Engineering Co., Ltd.
Total 31 qualifications********
********
黑龙江省哈尔滨市道里区
Transportation enterprise safety production standardization level 1Tunnel Maintenance Class BTunnel Maintenance Class BMaintenance of traffic safety facilities is not gradedMaintenance of traffic safety facilities is not gradedSubgrade and pavement maintenance Class ASubgrade and pavement maintenance Class AElectrical and mechanical engineering construction general contracting II
Heilongjiang Longjian Road and Bridge Second Engineering Co., Ltd.
Total 22 qualifications********
********
黑龙江省绥化市安达市
Maintenance of traffic safety facilities is not gradedMaintenance of traffic safety facilities is not gradedTransportation enterprise safety production standardization level 1Tunnel Maintenance Class BTunnel Maintenance Class BSubgrade and pavement maintenance Class ASubgrade and pavement maintenance Class ABridge maintenance, Grade A
Heilongjiang Bada Road and Bridge Construction Co., Ltd.
Total 22 qualifications********
********
黑龙江省哈尔滨市平房区
Construction labor is not gradedTransportation enterprise safety production standardization level 1Municipal Public Works Construction General Contracting Level IIGrade II general contracting of mine engineering constructionTunnel Maintenance Class BTunnel Maintenance Class BSubgrade and pavement maintenance Class ASubgrade and pavement maintenance Class A
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