China Urban Construction Design and Research Institute

Fuzhou City Construction Design and Research Institute

Design and Research Institute of Shanghai Waterways Bureau

Shanghai Baogang Design and Research Institute

Shanghai Municipal Engineering Design and Research Institute

Shanghai Water Planning and Design Research Institute

Foshan Urban Planning Surveying Design and Research Institute

The design and research institute for urban planning and survey of Foshan city

Anhui Investigation Design and Research Institute of Water Conservancy and Electric Power

Institute of Railway Construction Research and Design

Anshan Research and Design Institute of Electrostatic Technology

Architectural Design and Research Institute of Guizhou Province

Bangbu Design and Research Institute of Geotechnical Investigation and Surveying

Beijing General Municipal Engineering Design and Research Institute

Bengbu Design and Research Institute of Geotechnical Investigation and Surveying

BengBu survey research and design institute

Central and Southern China Municipal Engineering Design and Research Institute

Changsha City Design and Research Institute of Exploration and Surveying

Changsha Design and Research Institute of Exploration and Surveying