Changjiang Survey, Planning, Design and Research Co., Ltd., established on 2008-04-01, Business scope includes licensed projects:Import and export;Technology Import and Export;Engineering cost consulting business;Foreign labor cooperation(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments,The specific business items are subject to the approval documents or licenses of relevant departments)General project:survey of construction works,design,consult,EPC,Supervision and investment, etc.,include:Water Resources and Hydropower,electricity,New energy and water-related infrastructure,surroundings,architecture,Transportation,Municipal public,Survey of engineering in electronics and other industries,design,consult,EPC,Supervision and investment, etc.;and the required equipment,Material import and export;Engineering Safety Monitoring,Quality Inspection,Environmental testing and related technical services;Whole Process Engineering Consulting;Software and IT Services,Information system integration service;water ecology,Water Resources and Water Environment,Flood Control and Disaster Mitigation and Soil and Water Conservation,Watershed planning and governance development science and technology research;Engineering and Technology Research and Experimental Development;Engineering Management Services(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Shanghai Survey and Design Research Institute Co., Ltd., established on 1997-03-11, Business scope includes general items:Engineering survey and survey,Construction engineering design,Construction cost consultation,Construction Project Supervision Services,Construction Engineering Inspection,Engineering Management Services,house construction construction,Professional construction of water conservancy, hydroelectric and electrical equipment installation and construction engineering,Electric power construction engineering construction,Construction of municipal public construction projects,Environmental protection construction engineering professional construction,Engaged in the import and export of goods and technology;Contracting and its strength,scale,Foreign engineering projects that are compatible with performance,Dispatch labor personnel required for the implementation of the above-mentioned overseas projects,Engage in technology development in the field of computer science and technology,technology transfer,technical consulting,Technical Services.(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Liaoning Road and Bridge Construction Group Co., Ltd., established on 1993-02-08, Business scope includes highway,bridge traffic engineering building construction;Technical Advisory Services;Construction machinery processing,repair,lease;Municipal public works,tunnel Engineering,building engineering,Highway maintenance project,Landscaping project,Construction of water conservancy and hydropower projects.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments.)

Powerchina Huadong Engineering Corp. Ltd., a subsidiary of Power Construction Corporation of China, Ltd., is a company headquartered in Hangzhou, China, that provides industrial engineering services.

China Railway 20th Bureau Group Second Engineering Co., Ltd., established on 2008-11-21, Business scope includes highway,railway,Municipal,Water conservancy and electricity,urban rail transit,Airport,port,mine(exploration,except mining),Engineering construction of industrial and civil buildings;check;Landscaping construction;device installation,Engineering Consulting;Equipment,Rental of construction equipment;Material trade logistics(Except for road transport operations);Manufacture of concrete structural members;Contract overseas railway,Comprehensive civil engineering construction such as roads;Dispatch labor personnel required for the implementation of the above overseas projects(Qualification Certificate Number for Foreign Contracting Projects:6100201100008);Equipment required for the above overseas projects,Material export and foreign entrepot trade(Except for products and technologies that are restricted or prohibited from import and export by the state);stay;Catering Services;Sales of prepackaged food;Hotel management and consulting services;Conference Services;property management;Business Consulting(finance,securities,futures,Except for special control such as fund investment consulting);Tourist information consultation service;Planning of cultural and artistic exchange activities;Stationery,arts and crafts,Daily necessities sales.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Guizhou Lvchun Environmental Development Co., Ltd., established on 2008-04-16, Business scope includes legal,regulations,Those prohibited by the State Council's decision shall not operate;law,regulations,The State Council has decided to allow(approval)of,After approval by the examination and approval authority(approval)file management;law,regulations,The State Council has decided that a license is not required(approval)of,Market entities independently choose to operate.(General operating items:Environmental Pollution Engineering Treatment;ecological restoration;Greening engineering design and construction;Environmental Science and Technology Services;Pollution prevention technology engineering design and construction;Indoor environment detection,governance;Environmental meeting organizer;surroundings,Sanitary equipment sales and maintenance.**License the project:(none).***)

Henan Academy of Sciences Institute of Chemistry Co., Ltd., established on 1991-01-19, business scope includes,inorganic chemistry,Research and development of polymer chemistry and chemical technology consulting services;analysis test;Chemical new product development,Sales(Excluding flammable and explosive dangerous goods);Plastic raw materials and products,Development of rubber products,Research;Realtor.

China Railway 20th Bureau Group Co., Ltd. is a company headquartered in Xianyang, China and ultimately controlled by the Government of China. The firm operates hospitals.

Fujian Water Conservancy and Hydropower Survey, Design and Research Institute Co., Ltd., established on 1993-12-07, Business scope includes power industry(hydroelectric power,wind power),Water Conservancy Industry Engineering Design,Comprehensive engineering survey,project consultancy,EPC,hydrology,Water resources investigation and evaluation,Preparation of water and soil conservation plans for development and construction projects,Construction project water resource demonstration,Architectural Engineering Design,Power Industry(substation),Municipal utilities(except gas)engineering design,Environmental Impact Assessment of Construction Projects,Special engineering design:waste water,Solid waste treatment project,Construction Engineering Foundation Pile Quality Inspection:Static load test,Low Strain Dynamic Testing,Power Industry(Power transmission)engineering design,Safety Appraisal of Water Storage in Water Conservancy and Hydropower Construction Projects,Geological disaster control engineering survey;Geological Hazard Risk Assessment;Geological disaster control engineering design;Water and soil conservation monitoring for production and construction projects;engineering survey;Contracting and its strength,scale,Foreign engineering projects that are compatible with performance,Dispatch labor personnel required for the implementation of the above-mentioned overseas projects.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

China Railway 20th Bureau Group Third Engineering Co., Ltd., established on 2007-01-17, Business scope includes general items:First-class general contracting of municipal public works construction,Grade 2 General Contractor of Highway Engineering Construction,Construction general contracting level three,Bridge engineering professional contracting level 2,Tunnel Engineering Professional Contracting Level II,Level 3 professional contracting of foundation and foundation engineering,Ancient architectural engineering professional contracting level three,Production of prestressed concrete railway bridge simply supported beam products.(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Zhejiang Shuzhi Jiaotong Institute Technology Co., Ltd., established on 1993-11-23, Business scope includes road industry,Water transport industry,Municipal utilities,achitechive,Water Industry Planning,scientific research,engineering design,project consultancy,EPC,Comprehensive engineering survey,Exploration of Geological Hazard Control Engineering,design,Evaluate,Preparation of Soil and Water Conservation Program for Development and Construction Projects,Engineering surveying and mapping,Carry out foreign economic cooperation business(For the scope, please refer to the approval document of the foreign economic and trade department),Engineering Material Testing,Engineering inspection(The above business scope involves qualification certificates,Operate with a valid certificate),technology transfer,Technical Services,software development,graphic production,Geotechnical Material Testing,Bidding agency service,Engineering Supervision,design of building works,Soil and Water Conservation Design.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

China Railway 20th Bureau Group First Engineering Co., Ltd., established on 2002-03-18, Business scope includes highway engineering,railway engineering,Municipal Engineering,construction work,Water Resources and Hydropower Engineering,Bridge and Tunnel Engineering,Subgrade works,pavement works,Railway bridge prefabrication,Railway sleeper prefabrication,ready-mixed concrete,Waterway engineering,foundation engineering;Professional construction and management of steel structure engineering,Test detection,Housing and related equipment rental.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments) General project:Professional Design Services(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Hubei Provincial Transportation Planning and Design Institute Co., Ltd., established on 1992-03-23, The scope of business includes being entrusted with engineering design for the highway industry;Engineering design for the water transportation industry;Municipal industry(road works,bridge engineering,Water supply works,drainage works)professional engineering design;achitechive(construction work)engineering design;Comprehensive engineering survey service;the highway,port river sea,Municipal public works(municipal transportation)project consultancy;engineering survey;Geological Hazard Risk Assessment,Governance engineering survey and design;the highway,Special Independence Bridge,Water Transport Engineering Supervision;Urban landscape design and construction;Project bidding;Foreign contracted projects;Goods and technology import and export business(Does not contain goods or technologies that are prohibited or restricted from import and export by the state);Other print design and printing(The operating permit).(Involved in licensing projects,It should be operated after obtaining the permission of the relevant department)

Guangdong Guangji Construction Group Co., Ltd., established on 2010-12-23, The scope of business includes housing construction projects,Municipal public works,Water Resources and Hydropower Engineering,Building decoration project,Mechanical and electrical equipment installation,Building Curtain Wall Engineering,Steel structure engineering,City and road lighting engineering,Ancient Architecture,foundation engineering,Fire facilities engineering,Environmental Engineering,Road construction,Highway Pavement Engineering,Road subgrade engineering,road maintenance,Highway Traffic Engineering,Construction labor,urban landscaping,Machinery sales,rental and maintenance,Earthwork,Lifting equipment installation works,Waterproof, anti-corrosion and thermal insulation engineering,Formwork scaffolding project,Ready Mixed Concrete Works,General Aviation Construction Engineering,Port and shipping equipment installation and water traffic control engineering,Airport track engineering,Power Engineering,Petrochemical Engineering,Communication Engineering.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments)

Shandong Qianyuan Engineering Group Co., Ltd. Dongying Maintenance Branch, established on 2020-09-18, Business scope includes general items:Carry out business activities with the authorization of the head office(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Tianshengqiao Secondary Hydropower Co., Ltd., established on 2008-12-03, The scope of business includes electric meter reading devices,Design of load control device,Install,repair;electrical equipment repair;Communication equipment repair;Instrument Repair;Electrical Machinery Testing Services;Electronic product testing;laboratory testing(Those involving licensed projects need to obtain a license before they can engage in business operations);Engineering and Technology Research and Experimental Development;Energy Technology Research,Technology Development Services;Power transmission facilities installation engineering services;Power Electronics Technical Services;Energy Technology Consulting Services;Information Technology Consulting Services;Engineering Technology Consulting Services;Engineering Project Management Services;HR training;Unit logistics management service(Except for projects involving licensing);property management;Realtor;hotel management;hydroelectric power;electricity supply;Electricity sales business;Undertake(build,try)power facilities;Quality inspection of construction projects

Zhangjiagang Tianyuan Water Conservancy Design Institute Co., Ltd., established on 1998-03-25, Business scope includes hydraulic engineering design,Measurement.(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments) licensed items:Construction Engineering Survey;Mapping service(Items subject to approval by law,Business activities can only be carried out after approval by relevant departments,Specific business projects are subject to approval results) General project:Water Conservancy Related Consulting Services(Except for projects subject to approval by law,Carry out business activities independently in accordance with the law with a business license)

Seven Trillion Technology offers a mountain flood disaster monitoring and early warning platform. It has been based in the field of hydrology and water conservancy informatization in China, with flood prevention and drought relief as its core business, in distributed hydrological models, flood analysis, flood forecasting of small and medium rivers, survey and evaluation of mountain torrent disasters, and monitoring and early warning of mountain torrent disasters. It has successively established an expert-level mountain torrent disaster analysis and evaluation system team and a parameter calibration software research and development team. Through cooperation with top domestic scientific research institutes and universities, it has initially formed a mountain torrent disaster non-engineering measure software product series, which fully covers the monitoring of mountain torrent disasters, analysis, early warning, forecast business field, in the domestic leading position among similar products.