



Anhui Ronggong Boda Environmental Protection Technology Materials Research Institute Co., Ltd.
Fujian Yongqiang Geotechnical Co., Ltd.
Yunnan Construction and Investment No.1 Survey and Design Co., Ltd.
China Construction Eighth Engineering Division Corp., Ltd.
Luoyang Hengnuo Anchoring Technology Co., Ltd.
Liaoning Zizhu Hi-Tech Equipment Co., Ltd.
Kunming Jiecheng Pile Engineering Co., Ltd.
East China Architectural Design & Research Institute Group
Guangdong Research Institute of Water Resources and Hydropower
Henan Provincial Engineering Research Center for Ecological Restoration and Construction Technology of Goaf Sites, Institute of Utility Tunnel Research of Henan Polytechnic University
Guangzhou Municipal Construction Group Co., Ltd.
Zhongnan Survey and Design Institute (Hubei) Co., Ltd.
Guangzhou Jintu Geotechnical Engineering Technology Co., Ltd.
Beijing Urban Construction Survey and Design Research Institute Co., Ltd.
Beijing Institute of Survey and Design Co., Ltd.