Subgrade and pavement maintenance Class ASubgrade and pavement maintenance Class AHighway maintenance qualification Class III Class ATunnel Maintenance, Class ATunnel Maintenance, Class ATransportation enterprise safety production standardization level 1Highway maintenance qualification Class III Class BRoad maintenance qualification class I is not classified
Maintenance of traffic safety facilities is not gradedMaintenance of traffic safety facilities is not gradedHighway maintenance qualification Class III Class ATunnel Maintenance, Class ATunnel Maintenance, Class ABridge maintenance, Grade ABridge maintenance, Grade ARoad maintenance qualification class I is not classified
Highway maintenance qualification Class II Class BHighway maintenance qualification Class II Class ARoad maintenance qualification class I is not classifiedHighway maintenance qualification Class III Class BHighway maintenance qualification Class III Class AConstruction labor is not gradedHighway traffic engineering highway safety facilities professional contracting secondaryClass II general contracting of construction works
Highway maintenance qualification Class III Class BHighway maintenance qualification Class II Class BMaintenance of traffic safety facilities is not gradedMaintenance of traffic safety facilities is not gradedConstruction labor is not gradedSubgrade and pavement maintenance Class ASubgrade and pavement maintenance Class AHighway maintenance qualification Class II Class A
Safety Production Standardization of Transportation Enterprises Level IIHighway maintenance qualification Class III Class BRoad maintenance qualification class I is not classifiedHighway maintenance qualification Class III Class AHighway maintenance qualification Class II Class BHighway maintenance qualification Class II Class AProfessional contracting of highway safety facilities for highway traffic engineering Class ISteel structure engineering professional contracting secondary
Road maintenance qualification class I is not classifiedHighway maintenance qualification Class III Class AHighway maintenance qualification Class II Class BHighway maintenance qualification Class III Class BHighway maintenance qualification Class II Class AMaintenance of traffic safety facilities is not gradedMaintenance of traffic safety facilities is not gradedSubgrade and pavement maintenance Class A
Highway maintenance qualification Class II Class AHighway maintenance qualification Class II Class BRoad maintenance qualification class I is not classifiedSafety Production Standardization of Transportation Enterprises Level IIHighway maintenance qualification Class III Class AHighway maintenance qualification Class III Class BConstruction labor is not gradedTunnel Maintenance, Class A
Changzhi Xiancheng Highway Maintenance Engineering Co., Ltd.
Total 19 qualifications
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山西省长治市潞城区
Road maintenance qualification class I is not classifiedConstruction labor is not gradedHighway maintenance qualification Class II Class BHighway maintenance qualification Class II Class AHighway maintenance qualification Class III Class BHighway maintenance qualification Class III Class ASafety Production Standardization of Transportation Enterprises Level IIBridge maintenance, Grade A
Highway maintenance qualification Class III Class BHighway maintenance qualification Class II Class ARoad maintenance qualification class I is not classifiedMaintenance of traffic safety facilities is not gradedMaintenance of traffic safety facilities is not gradedHighway maintenance qualification Class III Class ABridge maintenance, Grade ABridge maintenance, Grade A
Safety Production Standardization of Transportation Enterprises Level IIHighway maintenance qualification Class II Class AConstruction labor is not gradedRoad maintenance qualification class I is not classifiedSpecial engineering (structural reinforcement) professional contracting regardless of gradeBridge maintenance, Grade ABridge maintenance, Grade ASubgrade and pavement maintenance Class A
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