Yanyu Water Tech Co. Ltd. (“Yanyu”)is a subsidiary of Tri-Tech Holding Inc. (Symbol Ticker: TRIT), first China-based company focusing water resources, informationization and automation for water environment listing on NASDAQ Capital Market through IPO in September 2009.

Beijing Yanyu Water Tech Co. Ltd. (“Yanyu”) constantly commits itself to product development and manufacture, project contracting and consulting services for automation and informatization in water resources field. Yanyu fully participated in the whole construction process of informatization for China’s water conservancy, it has profound understanding and practical experience to informatization construction for water conservancy.

We worked on compiling Technical Regulations for Hydrology Automatic Measurement and Report System issued by Ministry of Water Resources and national standard General Equipment of Hydrology Automatic Measurement and Report System and National Centralized Drinking Water Source Field Coding Specification.

We also provide information consulting services for agencies of Ministry of Environmental Protection and assist our clients solving environment management problems by providing diversified professional environment management products such as integrated environment information application platform, information system of environment management, office system, decision-making supporting platform and information service platform.

Yanyu has a series of technology qualifications such as Certificate of Computer Information System Integration, Software Enterprise Certificate, Hydrology and Water Resources Survey and Evaluation Qualification, and was awarded patent for Online Hydrology Information Automatic Monitoring and Disaster Forecasting/Alarming System, Production Permit for General Intelligent Remote Sensing Terminal issued by the State Intellectual Property Office. Yanyu also has ten software copyrights for management systems of water and rainfall, groundwater, drought, consultation and water environment.

For industrial demand, Yanyu continuously brings new hardware, software products for telemetry, remote control, data process & analysis as well as total technology solutions to the market.

Yanyu has provided 500 systems for hundreds of large and medium-sized reservoirs projects, hydrology automatic measuring, sluice gate monitoring, water quality online monitoring, soil moisture monitoring, groundwater monitoring, dam safety monitoring, irrigated area integrated automation and mountain torrent forecast in key area of over 20 provinces, municipalities, autonomous regions throughout China.

Yellow River Conservancy Commission of the Ministry of Water Resources
Huai River Conservancy Commission of the Ministry of Water Resources
Pearl River Conservancy Commission of the Ministry of Water Resources
Haihe River Conservancy Commission of the Ministry of Water Resources
Beijing Water Authority
ource Survey Administration Center
Water Conservancy Bureaus of Dongli District and Xiqing District of Tianjin
Water Conservancy Department of Chongqing Municipality
Chongqing Hydrology and Water Resource Survey Administration
Water Conservancy Department of Heilongjiang Province
Hydrology Bureau of Heilongjiang Province
Hydrology Bureau of Ningan City of Heilongjiang Province
Hydrology and Water Resource Survey Administration of Liaoning Province
Water Conservancy Bureau of Panjing City of Liaoning Province
Water Conservancy Department of Hebei Province
Hydrology and Water Resource Survey Administration of Hebei Province
Water Conservancy Bureau of Shijiazhuang City of Hebei Province
Water Conservancy Bureau of Tangshan City of Hebei Province
Shijin Irrigation Area Administration of Hebei Province
Flood Control Office of Chifeng City of Inner Mongolia Autonomous Region
Construction and Administration of Hetao Irrigation Area of Inner Mongolia Autonomous Region
Construction and Administration of Shanwanzi Irrigation Area of Inner Mongolia Autonomous Region
Water Conservancy Department of Shaanxi Province
Hydrology and Water Resource Survey Administration of Shaanxi Province
Jinghui Channel Administration Bureau of Shaanxi Province
Water Conservancy Department of Gansu Province
WaterConservancy Bureau of Longnan City of Gansu Province
Water Conservancy Department of Ningxia Hui Autonomous Region
Hydrology and Water Resource Survey Administration of Ningxia
Water Conservancy Department of Qinghai Province
Hydrology and Water Resource Survey Administration of Qinghai Province
Water Conservancy Bureau of Xining City of Qinghai Province
Water Conservancy Department of Henan Province
Hydrology and Water Resource Survey Administration of Henan Province
Water Conservancy Department of Shandong Province
Hydrology and Water Resource Survey Administration of Shandong Province Water Conservancy Bureau of Linyi City of Shandong Province
Water Conservancy Bureau of Rizhao City of Shandong Province
Water Conservancy Bureau of Taizhou City of Zhejiang Province
Water Conservancy Department of Anhui Province
Hydrology Bureau of Anhui Province
Water Conservancy Bureau of Bengbu City of Anhui Province
Cihuaixin River Bridge Project Authority of Anhui Province
WaterConservancy Department of Jiangxi Province
Hydrology and Water Resource Survey Administration of Jiangxi Province
Water Conservancy s Department of Hunan Province
Hydrology and Water Resource Survey Administration of Hunan Province
Ouyanghai Irrigation Area Administration of Hunan Province
Water Conservancy Department of Hubei Province
Hydrology and Water Resource Survey Administration of Hubei Province
Water Conservancy Bureau of Xiangfan City of Hubei Province
Zhanghe Irrigation Area Administration of Jingmen of Hubei Province Water Conservancy Department of Yunan Province
Hydrology and Water Resource Survey Administration of Yunan Province
Water Conservancy Bureau of Dehong Autonomous Prefecture of Yunnan Province Water Affairs Bureau of Qujing City of Yunnan Province
WaterConservancy Bureau of Baoshan City of Yunnan Province
Water Conservancy Bureau of Honghe Autonomous Prefecture of Yunnan Province
Manfeilong Reservoir Authority of Xishuangbanna Autonomous Perfecture of Yunan Province
Songhuaba Reservoir Authority of Kunming City of Yunan Province
Liange Reservoir Authority of Lijiang City of Yunan Province
Water Conservancy Department of Guizhou Province
Hydrology and Water Resource Survey Administration of Guizhou Province
Water Conservancy Department of Sichuan Province
Hydrology and Water Resource Survey Administration of Sichuan Province
Wudu Diversion Project Administration of Sichuan Province
Daqiao Reservoir Authority of Liangshan Region of Sichuan Province
WaterConservancy Department of Guangdong Province
Hydrology Bureau of Guangdong Province
Xi River Fairway Administration of Guangdong Province
Water Conservancy Department of Guangxi Zhuang Autonomous Region
Hydrology and Water Resource Survey Administration of Guangxi Zhuang Autonomous Region
Guishi Irrigation Area Administration of Guangxi Zhuang Autonomous Region
Hepu Reservoir Authority of Guangxi Zhuang Autonomous Region
Sianjiang Reservoir Authority of Guangxi Zhuang Autonomous Region
Tuoniang River Cascade Hidropower Station Administration of Baise City of Guangxi Zhuang Autonomous Region
Water Conservancy Bureau of Hezhou City of Guangxi Province
Flood Forecasting Center of Water Conservancy Department of Fujian Province
Water Management Center of Water Conservancy Department of Fujian Province
Flood Forecasting Center of Water Conservancy Bureau of Quanzhou City of Fujian Province
Water Conservancy Bureau of Zhangzhou City of Fujian Province
Longtan Water Control Project of Zhaoan County of Fujian Province
Water Conservancy Bureau of Sanya City of Hainan Province
Chinese Academy for Environmental Planning of the Ministry of Environmental Protection (CAEP)
Chinese Research Academy of Environmental Sciences (CRAES)
Beijing Municipal Research Institute of Environmental Protection
Beijing Meteorological Bureau

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