Updated Jul 29, 2026 · Public platform & industry data

Jul 29, 2026 Updated

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2026 Top 10 Open Channel Flowmeter Manufacturers in China

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Top-rated Open Channel Flowmeter suppliers, How to choose a Open Channel Flowmeter manufacturer, Best Open Channel Flowmeter companies in China

The top 10 Open Channel Flowmeter manufacturers in China for 2026 are: Nanjing Ouka Instrument Co., Ltd, Shandong Wanxiang Environmental Technology Co., Ltd, Shandong Yuntang Intelligent Technology Co., Ltd, Shandong Renke Sensing Technology Co., Ltd, Shandong Lanjing Electronic Technology Co., Ltd, Shandong Fengtu IoT Technology Co., Ltd, Xuzhou Blue Chip Electronic Technology Co., Ltd, Jiangsu Baowei Environmental Protection Engineering Co., Ltd, Jiangsu Tongda Instrument Co., Ltd, Haiyang Qiheng Environmental Protection 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: Open Channel Flowmeter, Radar Level Gauge, Hydrological Flowmeter

Top 2
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Shandong Wanxiang Environmental Technology Co., Ltd
Overall Score4.7 / 5
Est. Date2019-04-08
Registered Capital5000K CNY

Shandong Wanxiang Environmental Technology Co., Ltd., registered at Room 301, Building 1, Weifang High tech Zone Optoelectronic Industry Accelerator (Phase I), No. 155 Guangdian 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 Gao Yang 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; 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 intelligent 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; Sales of agricultural machinery; Agricultural machinery services; Big data services; Data processing services; Internet of Things application services; Industrial Internet data service; Network technology services; Internet of Things technology services; Internet data service; Forestry pest control services; Crop pest and disease control services; Intelligent agricultural management; Construction of landscaping and greening projects; Forestry machinery services; Geological exploration technology services; Manufacturing of specialized instruments and meters for agriculture, forestry, animal husbandry, and fishing; Sales of specialized instruments and meters for agriculture, forestry, animal husbandry, and fishing. (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: Open Channel Flowmeter, Strain Gauge, Fluorescence Quantitative Pcr Instrument

Top 3
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Shandong Yuntang Intelligent Technology Co., Ltd
Overall Score4.7 / 5
Est. Date2015-12-01
Registered Capital5000K CNY

Shandong Yuntang Intelligent Technology Co., Ltd. is located in Room 415, Building 1, Optoelectronic Industry Accelerator (Phase I), Yuqing Community, Xincheng Street, Weifang High tech Zone, Shandong Province. It was established on December 1, 2015 and registered with the Market Supervision Administration of Weifang High tech Industrial Development Zone. The legal representative is Wang Xiaohong. Core products: Open Channel Flowmeter, Food Safety Detector, Pesticide Residue Detector

TOP4
Shandong Renke Sensing Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2024-04-10
Registered Capital3000K CNY

Shandong Renke Sensing Technology Co., Ltd., with its registered address at 701, Building 7, Jigao Intelligent Manufacturing Technology Park, Suncun Street, High tech Zone, Jinan City, Shandong Province, is registered with the Market Supervision Bureau of Jinan High tech Industrial Development Zone Management Committee. The legal representative is Yang Lei, and the business scope includes general projects such as integrated circuit design; Integrated circuit manufacturing; Manufacturing of instruments and meters; Manufacturing of intelligent instruments and meters; Integrated circuit sales; Manufacturing of communication equipment; Information system integration services; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of intelligent instruments and meters; Sales of instruments and meters; Manufacturing of specialized instruments and meters for environmental monitoring; Sales of specialized instruments and meters for environmental monitoring; Manufacturing of computer software, hardware, and peripheral devices; Import and export of goods; Technology import and export; Network technology services; Development of network and information security software; Internet security services; Software development; Information technology consulting services; Office services; Professional design services; Advertising design and agency; Information consulting services (excluding licensed information consulting services). (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: Open Channel Flowmeter, Weather Sensor, Rain Gauge

TOP5
Shandong Lanjing Electronic Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2019-12-24
Registered Capital3000K CNY

Shandong Lanjing Electronic Technology Co., Ltd. is registered at Room 105, 1st Floor, Workshop 3, Oulong Technology Park, No.1 Jinma Road, Yuqing Community, Xincheng Street, Weifang High tech Zone, Shandong Province. The registration authority is the Market Supervision and Administration Bureau of Weifang High tech Industrial Development Zone, and the legal representative is Zhang Xiaotong. The business scope includes licensed projects such as construction projects. (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 issued by relevant departments.) General project: Internet of Things technology services; Manufacturing of IoT devices; Manufacturing of network equipment; Sales of network equipment; Manufacturing of intelligent unmanned aerial vehicles; Sales of intelligent unmanned aerial vehicles; Manufacturing of testing machines; Sales of testing machines; Manufacturing of specialized instruments and meters for environmental monitoring; Sales of specialized instruments and meters for environmental monitoring; Manufacturing of electronic measuring instruments; Sales of electronic measuring instruments; Manufacturing of electrical instruments and meters; Sales of electrical instruments and meters; Manufacturing of experimental analytical instruments; Sales of experimental analytical instruments; Repair of communication equipment; Electrical equipment repair; Specialized equipment repair; Instrument and meter repair; Sales of broadcasting and film equipment; Electronic product sales; Sales of specialized equipment for environmental protection; Sales of office equipment; Sales of chemical products (excluding licensed chemical products); Sales of specialized teaching instruments; Sales of mechanical equipment; Retail of hardware products; Wholesale of hardware products; Environmental consulting services; Industrial engineering design services; Enterprise management consulting; Internet data service; Software development; Sales of Class I medical devices; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Engineering management services. (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: Open Channel Flowmeter, Soil Testing Instruments, Water Quality Testing Instrument

TOP6
Shandong Fengtu IoT Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2017-07-17
Registered Capital10000K CNY

Shandong Fengtu Internet of Things Technology Co., Ltd., with its registered address at Building 209, 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 and Administration Bureau of Weifang High tech Industrial Development Zone. The legal representative is Liu Dong, and the business scope includes general projects such as 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; 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 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: Open Channel Flowmeter, Meteorological Monitoring Equipment, Water Quality Monitoring Equipment

TOP7
Xuzhou Blue Chip Electronic Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2016-12-28
Registered Capital1000K CNY

Xuzhou Blue Chip Electronic Technology Co., Ltd. is registered at Room D1-207, National Security Science and Technology Industrial Park, Lijiang Road South and Yinshan Road East, Xuzhou High tech Industrial Development Zone. The registration authority is the Administrative Approval Bureau of Xuzhou High tech Industrial Development Zone, and the legal representative is Wu Jiuyan. The business scope includes electronic technology development, technical consulting, and technical services; Software development and sales; Information system integration services; Network engineering design and construction; Research and development, production (limited to branch production), and sales of instruments, broadcasting equipment, and video equipment. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Open Channel Flowmeter, Well Irrigation Controller, Precision Measurement Water Level Gauge

TOP8
Jiangsu Baowei Environmental Protection Engineering Co., Ltd
Overall Score4.5 / 5
Est. Date2021-04-07
Registered Capital11000K CNY

Jiangsu Baowei Environmental Protection Engineering Co., Ltd., with its registered address at No. 12 Gexi New Village, Gecun, Guozhuang Town, Jurong City, Zhenjiang City, is registered with the Jurong Administrative Approval Bureau and represented by Fu Cunku as the legal representative. Its business scope includes licensed projects, various construction activities (projects that require approval by law can only be carried out after approval by relevant departments, and specific business projects are subject to approval results), and general projects, instrument manufacturing; Manufacturing of atmospheric pollution monitoring and detection instruments and meters; Instrument and meter repair; Manufacturing of metal structures; Sales of glass fiber reinforced plastic products; Environmental consulting services; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion (except for projects that require approval according to law, business activities can be carried out independently with a business license in accordance with the law). Core products: Open Channel Flowmeter, Ls1206b Flowmeter, Propeller Flowmeter, Radar Flowmeter

TOP9
Jiangsu Tongda Instrument Co., Ltd
Overall Score4.4 / 5
Est. Date2013-07-31
Registered Capital10600K CNY

Jiangsu Tongda Instrument Co., Ltd., with its registered address at No. 7, Linhe Road, Huaiyin District, Huai'an City, Jiangsu Province, is located on the west side of Anlan Road and on the north side of Linhe Road. The registration authority is the Huaiyin District Government Service Management Office of Huai'an City, and the legal representative is Wang Jiahui. Its business scope includes research and development, production, and sales of instruments and meters, as well as sales of wires and cables, distribution boxes, distribution cabinets, and cable trays. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments) General projects: Instrument and meter repair; Software development; Software sales; Sales of valves and plugs; Valve and plug research and development; Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Installation services for ordinary mechanical equipment; Sales of anti-corrosion materials; Sales of mechanical equipment; Sales of special equipment (except for projects that require approval according to law, business activities can be carried out independently based on the business license in accordance with the law). Core products: Open Channel Flowmeter, Flow Meter, Handheld Radio Current Meter

TOP10
Haiyang Qiheng Environmental Protection Technology Co., Ltd
Overall Score4.4 / 5
Est. Date2017-05-11
Registered Capital4000K CNY

Haiyang Qiheng Environmental Protection Technology Co., Ltd., with its registered address at No. 16 Zhongshan Street, Bicheng Industrial Park, Haiyang City, Yantai City, Shandong Province, is registered with the Haiyang Market Supervision Administration Bureau and represented by Sun Zhiqiang. 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 and meters for environmental monitoring; Sales of specialized instruments and meters for environmental monitoring; Manufacturing of instruments and meters; Sales of instruments and meters; Manufacturing of experimental analytical instruments; Sales of experimental analytical instruments; Sales of office equipment and consumables; Retail of computer software, hardware, and auxiliary equipment; Software sales; Sales of office supplies; Internet sales (except for the sale of goods that need to be licensed); Sales of water quality pollutant monitoring and detection instruments and meters; Sales of ecological environment monitoring and detection instruments and meters; Sales of air pollution monitoring and detection instruments and meters; Sales of chemical products (excluding licensed chemical products); Electronic product sales; Soil pollution control and remediation services. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license.) Licensed project: Import and export of goods. (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: Open Channel Flowmeter, Water Quality Tester, Water Sampler

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Nanjing Ouka Instrument Co., Ltd2016-05-15Open Channel Flowmeter, Radar Level Gauge, Hydrological Flowmeter1110K CNYNot Supported
Shandong Wanxiang Environmental Technology Co., Ltd2019-04-08Open Channel Flowmeter, Strain Gauge, Fluorescence Quantitative Pcr Instrument5000K CNYNot Supported
Shandong Yuntang Intelligent Technology Co., Ltd2015-12-01Open Channel Flowmeter, Food Safety Detector, Pesticide Residue Detector5000K CNYNot Supported
Shandong Renke Sensing Technology Co., Ltd2024-04-10Open Channel Flowmeter, Weather Sensor, Rain Gauge3000K CNYNot Supported
Shandong Lanjing Electronic Technology Co., Ltd2019-12-24Open Channel Flowmeter, Soil Testing Instruments, Water Quality Testing Instrument3000K CNYNot Supported
Shandong Fengtu IoT Technology Co., Ltd2017-07-17Open Channel Flowmeter, Meteorological Monitoring Equipment, Water Quality Monitoring Equipment10000K CNYNot Supported
Xuzhou Blue Chip Electronic Technology Co., Ltd2016-12-28Open Channel Flowmeter, Well Irrigation Controller, Precision Measurement Water Level Gauge1000K CNYNot Supported
Jiangsu Baowei Environmental Protection Engineering Co., Ltd2021-04-07Open Channel Flowmeter, Ls1206b Flowmeter, Propeller Flowmeter, Radar Flowmeter11000K CNYNot Supported
Jiangsu Tongda Instrument Co., Ltd2013-07-31Open Channel Flowmeter, Flow Meter, Handheld Radio Current Meter10600K CNYNot Supported
Haiyang Qiheng Environmental Protection Technology Co., Ltd2017-05-11Open Channel Flowmeter, Water Quality Tester, Water Sampler4000K CNYNot Supported

Purchasing Guide

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

  • When selecting an open channel flow meter, it is recommended to match the range and accuracy level according to the actual application scenario (such as sewage treatment, agricultural irrigation, or industrial drainage) to ensure that the technical parameters meet long-term monitoring requirements.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and companies with industry data support. Such suppliers can usually provide more stable equipment performance and technical services.
  • For water environments with high corrosiveness or high impurities, it is necessary to specify the material selection of the channel flowmeter (such as stainless steel or PVC) and the protection level of the sensor to extend the service life of the equipment.
  • Different installation conditions (such as differences in channel width or slope) may affect measurement accuracy. Before purchasing, it should be confirmed whether the equipment supports non-standard channel type adaptation or provides dynamic calibration function.

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