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Utility tunnel industry


● Taiyuan Nanshe Substation Power Duct Image Fire Alarm System● Xiong'an Station Hub Area Comprehensive Duct (Phase II) Project Image Fire System
● Tianfu Water City New Area Infrastructure Construction Underground Comprehensive Duct Project● Xiong East B Community Duct 1/2/3/4 Mark Image Fire System
● Pingtan Comprehensive Experimental Zone Existing Duct Upgrade and Transformation Image Fire System Phase I and II● Xiong'an New Area Xiong East Area B Community and N3 Municipal Road, Comprehensive Duct Electromechanical Engineering
● Jintang County Tianfu Water City New Area South District Underground Comprehensive Duct Construction 

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