China Coal Tianjin Design Engineering Co., Ltd.
Hunan Dietel comprehensive energy planning and design
Zhongxun Post and Telecommunications Consulting and Design Institute***
The Sixth Geological Engineering Survey Institute of Shanxi Province***
Sichuan Province West Point Power Design***
Chongqing Zhongke survey and design***
CGCOC Overseas Zhongyang Construction***
Pingxiang Highway Survey and Design Institute Co., Ltd.
Anhui Telecom Planning and Design Co., Ltd.
Nanning Survey and Design Institute of China Railway Fourth Institute Group***
China Railway Southwest Research Institute***
Shanxi Chengda Highway Survey and Design***
China Communications Construction Group Design Institute***
China Railway Jinan Engineering Technology***
Harbin Municipal Engineering Design Institute***
Xiamen Zhongping Highway Survey and Design Institute***
Chongqing Electric Power Design Institute Co., Ltd.
Zhongcheng International Marine Engineering Survey and Design***
Jiangxi Nuclear Eagle Survey, Planning and Design Co., Ltd.
Shenyang Telecom Planning and Design Institute shares***
Shangrao Hongyou Highway Survey and Design Institute***
Yunnan Provincial Transportation Survey and Design Institute***
Henan Zhongping Jiaotong Research and Design Institute***
Jilin Jida Communication Design Institute shares***
Henan Jingwei Electric Power Design Consulting***
Hunan China Nuclear Construction Project***
Fujian Provincial Port and Shipping Survey and Design Institute.
Sichuan Southwest Jiaotong University Railway Development Co., Ltd. ***
Jilin Survey and Design Institute.
Hunan China Mobile Communication Technology Project***
Beijing Zhongtong Highway and Bridge Engineering Consulting and Development
Tianjin Posts and Telecommunications Design Institute Co., Ltd.
Liaoning Post and Telecommunications Planning and Design Institute***
Harbin Longjiang Highway Survey and Design***
Jiangxi Provincial Post and Telecommunications Planning and Design Institute***
China Mobile Communications Group Design Institute***
Henan Yuxi Road and Bridge Survey and Design***
Hunan Provincial Urban and Rural Construction Survey Institute***
Henan Provincial Information Consulting Design Research***
Inner Mongolia Autonomous Region Post and Telecommunications Planning and Design Institute***
Changsha Electric Power Design Institute***
Guilin transportation survey and design***