Updated Sep 21, 2026 · Public platform & industry data

Sep 21, 2026 Updated

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2026 Top 10 Hydrologic Apparatus Manufacturers in China

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Top-rated Hydrologic Apparatus suppliers, How to choose a Hydrologic Apparatus manufacturer, Best Hydrologic Apparatus companies in China

The top 10 Hydrologic Apparatus manufacturers in China for 2026 are: Nanjing Ouka Instrument Co., Ltd, Tian Dun High tech (Beijing) Technology Co., Ltd, Shandong Shuijing Sensing Technology Co., Ltd, Shandong Tianyi Environmental Technology Co., Ltd, Shandong Jingdao Optoelectronics Technology Co., Ltd, Shanghai Aiduhuice Intelligent Technology Co., Ltd, Qingdao Hengchang Shengxu Environmental Protection Technology Co., Ltd, Qingdao Mingbo Environmental Protection Technology Co., Ltd, Shandong Renke Measurement and Control Technology Co., Ltd, Chengdu Hongyue Technology Co., Ltd. Ranked based on product relevance, certifications, company activity, and industry performance. This list is widely used for supplier comparison and sourcing decisions.

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Top 1
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Nanjing Ouka Instrument Co., Ltd
Overall Score4.9 / 5
Est. Date2016-05-15
Registered Capital1110K CNY

Nanjing Ouka Instrument and Meter Co., Ltd., with its registered address at No. 8 Rongning Road, Hushu Street, Jiangning District, Nanjing City, is registered with the Jiangning District Government Service Management Office of Nanjing City. The legal representative is Li Wanming, and its business scope includes research and development, production, sales, installation, and technical services of instruments, automation equipment, and systems; Research and development, sales, and technical services of computer software and hardware; Sales of hardware accessories. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Hydrologic Apparatus, Ultrasonic Depth Sounder, Doppler Flowmeter

Top 2
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Tian Dun High tech (Beijing) Technology Co., Ltd
Overall Score4.7 / 5
Est. Date2015-06-15
Registered Capital10000K CNY

Tian Dun High tech (Beijing) Technology Co., Ltd., with its registered address at 507, Building 1, No. 10 Caihefang Road, Haidian District, Beijing, is registered with the Market Supervision Administration of Haidian District, Beijing. The legal representative is Shen Guilan, and the business scope includes general projects such as technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Data processing services; Software development; Engineering and technical research and experimental development; Information system integration services; Import and export of goods; Technology import and export; Manufacturing of ecological environment monitoring and detection instruments and meters; Sales of ecological environment monitoring and detection instruments and meters; Sales of geological exploration and seismic specialized instruments; Manufacturing of geological exploration and seismic specialized instruments; Manufacturing of marine environment monitoring and detection equipment; Sales of marine environmental monitoring and detection equipment; Sales of communication equipment; Rental services (excluding licensed rental services). (Except for projects that require approval according to law, business activities shall be conducted independently based on the business license in accordance with the law.) (Business activities prohibited or restricted by national and local industrial policies shall not be engaged in.). Core products: Hydrologic Apparatus, Hydrophone, Maritime Communication

Top 3
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Shandong Shuijing Sensing Technology Co., Ltd
Overall Score4.7 / 5
Est. Date2024-04-02
Registered Capital3000K CNY

Shandong Shuijing Sensing Technology Co., Ltd., with its registered address at 208, Building 1, Weifang High tech Zone Optoelectronic Industry Accelerator (Phase I), Yuqing Community, Xincheng Street, High tech Zone, Weifang City, Shandong Province, is registered with the Market Supervision and Administration Bureau of Weifang High tech Industrial Development Zone. The legal representative is Zhang Rongkai, and the business scope includes general projects such as integrated circuit design; Research and development of Internet of Things technology; Manufacturing of IoT devices; Sales of IoT devices; Software development; Manufacturing of instruments and meters; Sales of instruments and meters; Instrument and meter repair; Manufacturing of experimental analytical instruments; Sales of experimental analytical instruments; Manufacturing of electronic measuring instruments; Sales of electronic measuring instruments; Electronic product sales; Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Manufacturing of specialized instruments and meters for environmental monitoring; Sales of specialized instruments and meters for environmental monitoring; Manufacturing of atmospheric pollution monitoring and detection instruments and meters; Sales of air pollution monitoring and detection instruments and meters; Manufacturing of monitoring and detection instruments for water quality pollutants; Sales of water quality pollutant monitoring and detection instruments and meters; Environmental protection monitoring; Environmental consulting services; Manufacturing of ecological environment monitoring and detection instruments and meters; Sales of ecological environment monitoring and detection instruments and meters; Manufacturing of environmental emergency detection instruments and meters; Sales of environmental emergency detection instruments and meters; Information system operation and maintenance services; Sales of electronic specialized equipment; Manufacturing of electronic specialized equipment; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Manufacturing of information security equipment; Sales of information security equipment; Information technology consulting services; Sales of communication equipment; Repair of communication equipment; Research and development of hardware products; Manufacturing of hardware products; Wholesale of hardware products; Mechanical parts and component processing; Sales of mechanical parts and components; Sales of chemical products (excluding licensed chemical products); Information consulting services (excluding licensed information consulting services); Enterprise management consulting; External contracting projects. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license) Licensed project: Inspection and testing services. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments. The specific business projects shall be subject to the approval documents or licenses issued by the relevant departments.). Core products: Hydrologic Apparatus, Smart Atmosphere,

TOP4
Shandong Tianyi Environmental Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2022-09-21
Registered Capital3000K CNY

Shandong Tianyi Environmental Technology Co., Ltd., registered at Room 211, 2nd Floor, Workshop 3, Oulong Science and Technology Park, No.1 Jinma Road, Yuqing Community, Xincheng Street, Weifang High tech Zone, Shandong Province (for office only), registered with the Market Supervision and Administration Bureau of Weifang High tech Industrial Development Zone, with Wang Lufang as the legal representative. Its business scope includes general projects such as technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Import and export of goods; Technology import and export; Research and development of Internet of Things technology; Manufacturing of IoT devices; Sales of IoT devices; Software development; Manufacturing of instruments and meters; Sales of instruments and meters; Instrument and meter repair; Manufacturing of experimental analytical instruments; Sales of experimental analytical instruments; Manufacturing of electronic measuring instruments; Sales of electronic measuring instruments; Electronic product sales; Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Manufacturing of specialized instruments and meters for environmental monitoring; Sales of specialized instruments and meters for environmental monitoring; Manufacturing of atmospheric pollution monitoring and detection instruments and meters; Sales of air pollution monitoring and detection instruments and meters; Manufacturing of monitoring and detection instruments for water quality pollutants; Sales of water quality pollutant monitoring and detection instruments and meters; Environmental protection monitoring; Environmental consulting services; Manufacturing of ecological environment monitoring and detection instruments and meters; Sales of ecological environment monitoring and detection instruments and meters; Sales of environmental emergency detection instruments and meters; Sales of office equipment; Manufacturing of office equipment consumables; Sales of office equipment and consumables; Information system operation and maintenance services; Sales of electronic specialized equipment; Manufacturing of electronic specialized equipment; Manufacturing of information security equipment; Sales of information security equipment; Information technology consulting services; Sales of communication equipment; Repair of communication equipment; Research and development of hardware products; Manufacturing of hardware products; Wholesale of hardware products; Mechanical parts and component processing; Sales of chemical products (excluding licensed chemical products); Information consulting services (excluding licensed information consulting services); Enterprise management consulting; External contracting projects. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license) Licensed project: Inspection and testing services. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments. The specific business projects shall be subject to the approval documents or licenses issued by the relevant departments.). Core products: Hydrologic Apparatus, Hydrological Series, Agricultural Series

TOP5
Shandong Jingdao Optoelectronics Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2019-08-15
Registered Capital10000K CNY

Shandong Jingdao Optoelectronic Technology Co., Ltd., with its registered address at Building 207, Phase I of Weifang High tech Zone Optoelectronic Industry Accelerator, No. 155 Guangdian Circuit, Weifang High tech Zone, Shandong Province, is registered with the Market Supervision Administration of Weifang High tech Industrial Development Zone. The legal representative is Xu Xiaomiao, and its business scope includes licensed projects such as inspection and testing services. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments. Specific business projects shall be subject to the approval documents or licenses of relevant departments.) General projects: technical services, technology development, technology consulting, technology exchange, technology transfer, technology promotion; Research and development of Internet of Things technology; Manufacturing of IoT devices; Sales of IoT devices; Software development; Manufacturing of instruments and meters; Sales of instruments and meters; Instrument and meter repair; Manufacturing of experimental analytical instruments; Sales of experimental analytical instruments; Manufacturing of electronic measuring instruments; Sales of electronic measuring instruments; Electronic product sales; Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Manufacturing of specialized instruments and meters for environmental monitoring; Sales of specialized instruments and meters for environmental monitoring; Manufacturing of atmospheric pollution monitoring and detection instruments and meters; Sales of air pollution monitoring and detection instruments and meters; Manufacturing of monitoring and detection instruments for water quality pollutants; Sales of water quality pollutant monitoring and detection instruments and meters; Environmental protection monitoring; Environmental consulting services; Manufacturing of ecological environment monitoring and detection instruments and meters; Sales of ecological environment monitoring and detection instruments and meters; Sales of environmental emergency detection instruments and meters; Technology import and export; Import and export of goods; Sales of office equipment; Manufacturing of office equipment consumables; Sales of office equipment and consumables; Information system operation and maintenance services; Sales of electronic specialized equipment; Manufacturing of electronic specialized equipment; Manufacturing of information security equipment; Sales of information security equipment; Information technology consulting services; Sales of communication equipment; Repair of communication equipment; Research and development of hardware products; Manufacturing of hardware products; Wholesale of hardware products; Mechanical parts and component processing; Sales of chemical products (excluding licensed chemical products); Information consulting services (excluding licensed information consulting services); Enterprise management consulting; External contracting projects. (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law). Core products: Hydrologic Apparatus, Other Instruments, Explosion Proof Meteorological Station

TOP6
Shanghai Aiduhuice Intelligent Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2011-05-09
Registered Capital10000K CNY

Shanghai Aiduhuice Intelligent Technology Co., Ltd., registered at Room 4184, Building 5, No. 555 Dongchuan Road, Minhang District, Shanghai, with the registration authority of Minhang District Market Supervision Administration and the legal representative of Chen Long, operates in general projects including technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Manufacturing of geological exploration and seismic specialized instruments; Sales of geological exploration and seismic specialized instruments; Manufacturing of specialized equipment for geological exploration; Sales of specialized equipment for geological exploration; Manufacturing of instruments and meters; Sales of instruments and meters; Software development; Artificial intelligence theory and algorithm software development; Development of artificial intelligence application software; Sales of network equipment; Internet of Things application services; Internet of Things technology services; Industrial Internet data service; Earthquake services; Wholesale of computer software, hardware, and auxiliary equipment; Retail of computer software, hardware, and auxiliary equipment; Manufacturing of computer software, hardware, and peripheral devices; Information system integration services; Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Manufacturing of experimental analytical instruments; Manufacturing of teaching models and teaching aids; Manufacturing of specialized teaching instruments; Internet sales (except for the sale of goods that need to be licensed); Professional design services; Import and export of goods; Technology import and export. (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law). Core products: Hydrologic Apparatus, Dam Surge Detector, Geophysical Detector

TOP7
Qingdao Hengchang Shengxu Environmental Protection Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2024-07-04
Registered Capital5000K CNY

Qingdao Hengchang Shengxu Environmental Protection Technology Co., Ltd., with its registered address at Room 1201-2, Building 3, Innovation Park, No. 130-145 Jiushui East Road, Licang District, Qingdao City, Shandong Province, is registered with the Market Supervision Administration of Licang District, Qingdao City. The legal representative is Wang Zhaomin, and the business scope includes general projects such as air pollution control; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Manufacturing of specialized equipment for environmental protection; Sales of specialized instruments and meters for environmental monitoring; Manufacturing of instruments and meters; Electronic product sales; Sales of mechanical equipment; Sales of household appliances; Sales of labor protection equipment; Retail of sports goods and equipment; Retail of hardware products; Medical research and experimental development; Wholesale of cosmetics; Engineering and technical research and experimental development; Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); Manufacturing of experimental analytical instruments; General equipment manufacturing (excluding special equipment manufacturing); Sales of office supplies; Health consultation services (excluding diagnosis and treatment services); Sales of needle textiles and raw materials; Wholesale of clothing and apparel; Clothing and apparel retail; Manufacturing of household textile products; Sales of plastic products; Sales of leather products; Sales of packaging materials and products; Jewelry manufacturing; Wholesale of jewelry; Advertising production; Advertising release; Advertising design and agency; Enterprise management consulting; Manufacturing of intelligent unmanned aerial vehicles; Sales of intelligent unmanned aerial vehicles; Sales of firefighting equipment; Manufacturing of security equipment; Sales of security equipment; Agricultural machinery services; Sales of intelligent robots; Research and development of intelligent robots. (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law). Core products: Hydrologic Apparatus, Laboratory, Smoke And Dust

TOP8
Qingdao Mingbo Environmental Protection Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2010-03-02
Registered Capital500K CNY

Qingdao Mingbo Environmental Protection Technology Co., Ltd., registered at Room 801, Unit 2, Building 20, No. 398 Haijing Road, Huangdao District, Qingdao City, Shandong Province, China. The registration authority is the Market Supervision Administration of Huangdao District, Qingdao City, and the legal representative is Liu Ming. The business scope includes general projects: water environment pollution prevention and control services; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of environmental emergency detection instruments and meters; Sales of glassware; Sales of specialized equipment for environmental protection; Sales of experimental analytical instruments; Sales of water quality pollutant monitoring and detection instruments and meters; Sales of intelligent instruments and meters; Sales of ecological environment monitoring and detection instruments and meters; Sales of electronic measuring instruments; Sales of mechanical equipment; Instrument and meter repair; Sales of specialized instruments for navigation, surveying, meteorology, and oceanography; Sales of instruments and meters; Sales of air pollution monitoring and detection instruments and meters; Sales of specialized instruments and meters for environmental monitoring; Software development; Software sales; Installation services for ordinary mechanical equipment; Maintenance of electronic and mechanical equipment (excluding special equipment); Retail of computer software, hardware, and auxiliary equipment; Wholesale of computer software, hardware, and auxiliary equipment; Sales of industrial control computers and systems; Electronic product sales; Sales of labor protection equipment; Sales of drug testing instruments; Sales of chemical products (excluding licensed chemical products); Sales of Class I medical devices; Retail of hardware products; Wholesale of hardware products; Information technology consulting services; Sales of ecological environment materials; Air pollution prevention and control services; Environmental consulting services; Environmental emergency management services; Environmental protection monitoring; Sales of optical instruments; Sales of building materials; Retail of sports goods and equipment; Indoor air pollution control; Sales of drawing, calculation, and measuring instruments; Sales of mining machinery; Water pollution control; Sales of specialized chemical products (excluding hazardous chemicals); Manufacturing of drug detection instruments; Sales of marine water quality and ecological environment monitoring instruments and equipment; Sales of marine environmental monitoring and detection equipment; Scale sales; Building cleaning services; Professional cleaning, washing, and disinfection services; Sales of firefighting equipment. (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law). Core products: Hydrologic Apparatus, Ammonia Gas Detector, Light Incubator

TOP9
Shandong Renke Measurement and Control Technology Co., Ltd
Overall Score4.4 / 5
Est. Date2015-05-18
Registered Capital30000K CNY

Shandong Renke Measurement and Control Technology Co., Ltd., registered at Building 8, Shuntai Plaza, No. 2000 Shunhua Road, Jinan Area, China (Shandong) Pilot Free Trade Zone, 1-1001A, registered with the Market Supervision Bureau of Jinan High tech Industrial Development Zone Management Committee, with Yang Lei as the legal representative. Its business scope includes general projects such as electronic components and electromechanical component equipment manufacturing; Mechanical parts and component processing; Manufacturing of instruments and meters; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Manufacturing of computer software, hardware, and peripheral devices; Retail of computer software, hardware, and auxiliary equipment; Sales of electronic components and electromechanical equipment; Sales of instruments and meters; Sales of specialized teaching instruments; Integrated circuit sales; Integrated circuit manufacturing; Integrated circuit design; Manufacturing of specialized instruments and meters for environmental monitoring; Sales of specialized instruments and meters for environmental monitoring; Manufacturing of atmospheric pollution monitoring and detection instruments and meters; Sales of water quality pollutant monitoring and detection instruments and meters; Industrial Internet data service; Installation services for ordinary mechanical equipment; Information system integration services; Intelligent control system integration; Manufacturing of communication equipment; Import and export of goods; Technology import and export. (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law). Core products: Hydrologic Apparatus, Controller/Collector, Air Quality

TOP10
Chengdu Hongyue Technology Co., Ltd
Overall Score4.4 / 5
Est. Date2008-08-01
Registered Capital4000K CNY

Chengdu Hongyue Technology Co., Ltd., with its registered address at No. 7, 3rd Floor, Building 1, No. 4 Xinye Road, Chengdu High tech Zone, is registered with the Market Supervision Administration of Chengdu High tech Zone. The legal representative is Kuang Liang, and its business scope includes general projects such as technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Manufacturing of specialized instruments for navigation, surveying, meteorology, and oceanography [branch operation]; Sales of specialized instruments for navigation, surveying, meteorology, and oceanography; Manufacturing of specialized instruments and meters for environmental monitoring [branch operation]; Sales of specialized instruments and meters for environmental monitoring; Sales of environmental emergency detection instruments and meters; Manufacturing of ecological environment monitoring and testing instruments and meters [branch operation]; Sales of ecological environment monitoring and detection instruments and meters; Manufacturing of marine environment monitoring and detection equipment [branch operation]; Sales of marine environmental monitoring and detection equipment; Manufacturing of environmental emergency detection instruments and meters [branch operation]; Manufacturing of specialized equipment for traffic safety and control [branch operation]; Manufacturing of intelligent instruments and meters [branch operation]; Sales of intelligent instruments and meters; Instrument and meter manufacturing [branch operation]; Instrument and meter repair; Marine meteorological services; Meteorological observation services; Sales of electronic specialized equipment; Electronic product sales; Information system integration services; Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing) [branch operation]; Software development; Digital technology services; Computer system services; Manufacturing of computer software, hardware, and peripheral devices [branch operation]; Retail of computer software, hardware, and auxiliary equipment; Wholesale of computer software, hardware, and auxiliary equipment; Computer and office equipment maintenance; Maintenance of electronic and mechanical equipment (excluding special equipment); Import and export of goods; Fastener manufacturing [branch operation]; Sales of fasteners; Sales of metal structures; General component manufacturing [branch operation]; Non residential real estate leasing. (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law). Core products: Hydrologic Apparatus, Visibility Meter, Integrated Meteorological Station

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Nanjing Ouka Instrument Co., Ltd2016-05-15Hydrologic Apparatus, Ultrasonic Depth Sounder, Doppler Flowmeter1110K CNYNot Supported
Tian Dun High tech (Beijing) Technology Co., Ltd2015-06-15Hydrologic Apparatus, Hydrophone, Maritime Communication10000K CNYNot Supported
Shandong Shuijing Sensing Technology Co., Ltd2024-04-02Hydrologic Apparatus, Smart Atmosphere, 3000K CNYNot Supported
Shandong Tianyi Environmental Technology Co., Ltd2022-09-21Hydrologic Apparatus, Hydrological Series, Agricultural Series3000K CNYNot Supported
Shandong Jingdao Optoelectronics Technology Co., Ltd2019-08-15Hydrologic Apparatus, Other Instruments, Explosion Proof Meteorological Station10000K CNYNot Supported
Shanghai Aiduhuice Intelligent Technology Co., Ltd2011-05-09Hydrologic Apparatus, Dam Surge Detector, Geophysical Detector10000K CNYNot Supported
Qingdao Hengchang Shengxu Environmental Protection Technology Co., Ltd2024-07-04Hydrologic Apparatus, Laboratory, Smoke And Dust5000K CNYNot Supported
Qingdao Mingbo Environmental Protection Technology Co., Ltd2010-03-02Hydrologic Apparatus, Ammonia Gas Detector, Light Incubator500K CNYNot Supported
Shandong Renke Measurement and Control Technology Co., Ltd2015-05-18Hydrologic Apparatus, Controller/Collector, Air Quality30000K CNYNot Supported
Chengdu Hongyue Technology Co., Ltd2008-08-01Hydrologic Apparatus, Visibility Meter, Integrated Meteorological Station4000K CNYNot Supported

Purchasing Guide

Based on real user feedback, we provide the following suggestions:

  • For procurement requirements that require the use of hydrological instruments, it is recommended to screen based on key technical parameters such as measurement range, accuracy level, and environmental adaptability. For example, for river flow monitoring, models with strong resistance to sediment interference should be selected.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and enterprises with industry data support or platform statistical information, especially suitable for long-term hydrological observation project cooperation.
  • When purchasing hydrologic instruments, it is necessary to combine specific scenarios such as groundwater monitoring or rainstorm early warning system to ensure that the equipment has corresponding data acquisition frequency and transmission stability.
  • For different application scenarios, such as reservoir scheduling or ecological research, it is recommended to compare the durability and data compatibility of instruments provided by suppliers, while paying attention to companies with outstanding industry performance.

Knowledge Base

Q

The selection of instruments and equipment in hydrological measurement and forecasting capacity enhancement construction projects requires comprehensive consideration of multiple factors. Firstly, it is necessary to clarify the specific requirements and objectives of the project, and determine the required instrument types based on the actual hydrological elements being monitored, such as water level, flow rate, rainfall, etc. It is crucial to consider the accuracy and reliability of the instrument. High precision ensures accurate data, while reliable performance guarantees long-term stability

Q

Hydrological monitoring equipment is a new generation of fully automatic hydrological online monitoring equipment developed based on microwave radar technology. It integrates functions such as water level monitoring, rainfall collection, intelligent computing, cloud transmission, over limit warning, and data management, and can achieve automation, digitization, and intelligent upgrading of hydrological monitoring work. 1、 Product Overview SW2 is a full microwave technology based device

Q

Hydrological monitoring instruments and equipment refer to various tools and systems used for monitoring and measuring hydrological parameters. These devices are usually used for real-time monitoring of hydrological conditions of rivers, lakes, reservoirs, channels, groundwater and other waters. The monitoring content includes but is not limited to parameters such as water level, flow rate, flow velocity, rainfall (snow), evaporation, sediment, ice, soil moisture, water quality, etc. Hydrological monitoring instrument

Ranking Evaluation Method

This ranking is generated based on public data from Baidu B2B platform and common industry assessment dimensions, focusing on enterprise activity, business qualifications, product matching and industry performance to provide valuable manufacturer ranking information for buyers.

DimensionDescription
Data SourceMulti-dimensional data including platform public data, enterprise certification, user reviews, and transaction records
AssessmentComprehensive indicators including enterprise activity, qualifications, product quality, service capability, and user reputation
Update FrequencyRanking data is updated daily to ensure timeliness and accuracy
SuggestionRankings are for reference only. We recommend comprehensive evaluation based on actual needs