China Consulting Engineering***
Shanxi Jinzheng construction project management***
Sino-Singapore Group Engineering Consulting Co., Ltd.
Tianjin Shimin Engineering Construction Supervision Technical Consulting***
Shandong Luye project management***
Beihai Xincheng Construction Supervision Co., Ltd.
Benxi Iron and Steel (Group) Engineering Construction Supervision Co., Ltd.
Henan Province Zhongda Project Supervision***
Ma'anshan Boli Construction Supervision Co., Ltd.
Saiding Engineering***
Jilin Northeast Asia International Engineering Technology Group***
Tianjin Metallurgical Planning and Design Institute.
Zhongan Hengyi project management services***
Beijing Integrity Engineering Supervision***
Beijing Oriental Huatai Construction Supervisor***
China ENFI Engineering Technology***
Guiyang Xinyu Construction Supervision***
Yunnan Kunshan Iron and Steel Group mountain and river engineering construction supervision
Shanghai Electric Group State-controlled Global Engineering***
Baotou Chengxinda Engineering Consulting and Supervision Co., Ltd.
Jilin Province Ruiyuan Project Management***
Shaanxi Huaqin Construction Supervision Co., Ltd.
Gansu Provincial Building Materials Research and Design Institute Co., Ltd.
Jiangxi Jianhui Engineering Construction Supervision Co., Ltd.
Jiangxi Copper Construction Supervision Consulting***
Shenyang Shengxin construction project management
Shanxi Yutong construction project management***
Hubei Huaxin Engineering Supervision***
Shanxi Anyu Construction Supervision***
Hunan Huachu Project Management***
Hunan Nonferrous Integrity Engineering Supervision Co., Ltd.
Nanning Xinshuai Construction Supervision Co., Ltd.
Sichuan Metallurgical Construction Engineering Supervision Co., Ltd.
Hunan Jiangang Engineering Supervision***
Tianjin Chenda Engineering Supervision***
Luoyang Jincheng Construction Supervision***
Qinghai Mingxin Industrial Co., Ltd.
Shanxi Zhenyi Project Construction Supervision***
Zhongji International Engineering***
Henan Xingping Project Management***