Changjiang Institute of Survey, Planning, Design and Research (CISPDR) is a stated-owned high-tech enterprise and an international contractor certified by the Ministry of Commerce of China, mainly engaged in engineering survey, planning, design, scientific research, consulting, construction supervision, construction management and EPC contracting for projects in China and abroad.

It successfully completed survey, planning and design for the Three Gorges project and the South-to-North Water Diversion project, two most important hydraulic projects in China.