2 Urumqi Ministry of Water Resources Xinjiang Uygur Autonomous Region Water Resources and Hydropower Survey and Design Institute Grade A 4002
3 Urumqi Environmental Protection Research Institute of Xinjiang Uygur Autonomous Region Grade A 4003
4 Xinjiang Uygur Autonomous Region Urumqi Environmental Protection Technical Consultation Center Grade A 4004
5 Urumqi Xinjiang Ding Yao Engineering Consulting Co., Ltd. Grade A 4005