Chongqing
Yongchuan District
Surveying and Mapping
Road Road Engineering
City Construction
Shi Zheng Gong Yong Engineering Design
Shi Zheng Gong Cheng Shi Engineering
Shui Li Shui Dian
City Township Construction
Water
Quality Detection
Engineering Survey
Shi Zheng Gong Yong Engineering
Road and Bridge
高新技术企业
省级高新技术企业