Updated Sep 19, 2026 · Public platform & industry data

Sep 19, 2026 Updated

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2026 Top 10 Cod Online Detector Manufacturers in China

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Top-rated Cod Online Detector suppliers, How to choose a Cod Online Detector manufacturer, Best Cod Online Detector companies in China

The top 10 Cod Online Detector manufacturers in China for 2026 are: Nanjing Hongguang Environmental Technology Co., Ltd, Wuhan Junde Environmental Protection Technology Development Co., Ltd, Wuhan Nali Technology Co., Ltd, Beijing Lianhua Yongxing Technology Development Co., Ltd, Nanjing Juge Environmental Technology Co., Ltd, Nanjing Hongguang Environmental Protection Technology Co., Ltd, Qingdao Haite Environmental Protection Technology Co., Ltd, Shandong Lanjing Electronic Technology Co., Ltd, Weihai Jingxun Tongtong Electronic Technology Co., Ltd, Shandong Green Kerry Precision Instrument 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 Hongguang Environmental Technology Co., Ltd
Overall Score4.9 / 5
Est. Date2023-11-28
Registered Capital10000K CNY

Nanjing Hongguang Environmental Technology Co., Ltd., registered at No. A-91, Chuangzhi Industrial Park, No. 37 Shenzhou Road, Lukou Street, Jiangning District, Nanjing City, Jiangsu Province, registered with the Jiangning District Government Service Management Office of Nanjing City, with Yang Jun as the legal representative. Its business scope includes licensed projects such as construction engineering design; Construction projects (projects that require approval according to law can only be carried out after approval by relevant departments, and specific business projects are subject to the approval results) General projects: Manufacturing of water quality pollutant monitoring and detection instruments and meters; Manufacturing of ecological environment monitoring and detection instruments and meters; Manufacturing of atmospheric pollution monitoring and detection instruments and meters; Sales of air pollution monitoring and detection instruments and meters; Sales of water quality pollutant monitoring and detection instruments and meters; Sales of ecological environment monitoring and detection instruments and meters; Manufacturing of specialized equipment for environmental protection; Indoor air pollution control; Retail of computer software, hardware, and auxiliary equipment; Computer system services; Electronic product sales; Sales of electronic components and electromechanical equipment; Sales of communication equipment; Information technology consulting services; Technology import and export; Import and export of goods; Software development (except for projects that require approval according to law, conducting business activities independently with a business license in accordance with the law). Core products: Cod Online Detector, Ammonia Nitrogen, Chroma

Top 2
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Wuhan Junde Environmental Protection Technology Development Co., Ltd
Overall Score4.7 / 5
Est. Date2016-11-08
Registered Capital5080K CNY

Wuhan Junde Environmental Protection Technology Development Co., Ltd., with its registered address at Room 302, Unit 2, Building 1, Wuhan Optics Valley International Biomedical Enterprise Accelerator, No. 388 Gaoxin 2nd Road, Donghu New Technology Development Zone, Wuhan City. The registration authority is the Market Supervision Administration of Wuhan Donghu New Technology Development Zone, and the legal representative is Jian Juan. Its business scope includes the research and production of environmental protection equipment; Design, construction, and consulting services for environmental engineering; Software development; Installation and maintenance of mechanical equipment (excluding special equipment); Wholesale and retail of electronic products (excluding electronic publications), instruments and meters (excluding measuring instruments), environmental protection equipment, and software. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Cod Online Detector, Heavy Metal Online Analyzer, Buoy Station

Top 3
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Wuhan Nali Technology Co., Ltd
Overall Score4.7 / 5
Est. Date2024-03-13
Registered Capital5000K CNY

Wuhan Nali Technology Co., Ltd., registered address located at Headquarters A, Gaonong Biotechnology Park, No. 888 Gaoxin Avenue, Donghu New Technology Development Zone, Wuhan City, Hubei Province Room 101, 1st Floor, Building 8, Wuhan East Lake New Technology Development Zone. The registration authority is the Market Supervision and Administration Bureau of Wuhan East Lake New Technology Development Zone, and the legal representative is Li Wensi. The business scope includes general projects: software development, technical services, technical development, technical consulting, technical exchange, technology transfer, technology promotion, intelligent water system development, mechanical equipment research and development, engineering and technical research and experimental development, ecological environment monitoring and detection instrument manufacturing, environmental monitoring special instrument manufacturing, environmental emergency detection instrument manufacturing, water quality pollutant monitoring and detection instrument manufacturing, atmospheric pollution monitoring and detection instrument manufacturing, environmental emergency technical equipment manufacturing, experimental analysis instrument manufacturing, intelligent instrument manufacturing, environmental protection special equipment manufacturing, optical instrument manufacturing, water resources special mechanical equipment manufacturing, environmental protection special equipment manufacturing. Protection of specialized equipment sales, Sales of environmental emergency detection instruments and meters, sales of environmental emergency technical equipment, sales of environmental monitoring specialized instruments and meters, sales of water pollution monitoring and detection instruments and meters, sales of experimental analysis instruments, sales of intelligent instruments and meters, sales of instruments and meters, sales of optical instruments, sales of intelligent robots, sales of drug detection instruments, sales of air pollution monitoring and detection instruments and meters, sales of agricultural, forestry, animal husbandry and fishery specialized instruments and meters, sales of glass fiber reinforced plastic products, sales of specialized chemical products (excluding hazardous chemicals), repair of instruments and meters, environmental consulting services, water environment pollution prevention and control services, agricultural non-point source and heavy metal pollution prevention and control technical services. (Except for licensed businesses, it is allowed to independently operate projects that are not prohibited or restricted by laws and regulations in accordance with the law). Core products: Cod Online Detector, Portable, Oil Measuring Instrument

TOP4
Beijing Lianhua Yongxing Technology Development Co., Ltd
Overall Score4.6 / 5
Est. Date2011-10-27
Registered Capital25000K CNY

Beijing Lianhua Yongxing Technology Development Co., Ltd., with its registered address at Building 95, No. 15 Jingsheng South Fourth Street, Jinqiao Science and Technology Industrial Base, Tongzhou Park, Zhongguancun Science and Technology Park, Tongzhou District, Beijing. The registration authority is the Market Supervision and Administration Bureau of Beijing Economic and Technological Development Zone, and the legal representative is Ji Peng. Its business scope includes general projects such as technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Manufacturing of monitoring and detection instruments for water quality pollutants; Manufacturing of specialized instruments and meters for environmental monitoring; Manufacturing of environmental emergency detection instruments and meters; Sales of water quality pollutant monitoring and detection instruments and meters; Manufacturing of instruments and meters; Sales of environmental emergency detection instruments and meters; Sales of specialized instruments and meters for environmental monitoring; Sales of specialized chemical products (excluding hazardous chemicals); Manufacturing of specialized chemical products (excluding hazardous chemicals); Sales of chemical products (excluding licensed chemical products); Sales of experimental analytical instruments; Sales of specialized equipment for environmental protection; Manufacturing of experimental analytical instruments; Manufacturing of specialized equipment for environmental protection; Manufacturing of solid waste detection instruments and meters; Sales of solid waste detection instruments and meters; Manufacturing of ecological environment monitoring and detection instruments and meters; Sales of ecological environment monitoring and detection instruments and meters; Mechanical equipment research and development; Mechanical equipment leasing; Manufacturing of intelligent instruments and meters; Sales of intelligent instruments and meters; Wholesale of computer software, hardware, and auxiliary equipment; Retail of computer software, hardware, and auxiliary equipment; Sales of technical glass products; Manufacturing of technical glass products; Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); Sales of building materials; Sales of daily glass products; Sales of daily chemical products; Electronic product sales; Specialized equipment repair; Sales of packaging materials and products; Import and export of goods; Technology import and export. (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: Cod Online Detector, Bod Analyzer, Total Nitrogen Analyzer

TOP5
Nanjing Juge Environmental Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2015-02-03
Registered Capital5000K CNY

Nanjing Juge Environmental Technology Co., Ltd. is registered at Building 17, No. 99 Guangli Road, Moling Street, Jiangning District, Nanjing City, Jiangsu Province. The registration authority is the Jiangning District Government Service Management Office of Nanjing City, and the legal representative is Jia Yu. The business scope includes the research and development, production, installation, and sales of environmental protection equipment, instruments, and electromechanical products; Research and development of industrial automation equipment; Technical development, technical consulting, technical services, and sales of computer software; Environmental technology consulting and services; Computer system integration; Design and development of IoT systems; Design, construction, technical services, technical consulting, and technology transfer for environmental protection engineering, building intelligent system engineering, computer system integration engineering, and automation engineering; Sales of chemical products; Operation and maintenance services for environmental protection equipment and facilities. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments) General projects: installation services for ordinary mechanical equipment; Non residential real estate leasing; Property management (except for projects that require approval according to law, conducting business activities independently based on the business license in accordance with the law). Core products: Cod Online Detector, Gas Online Monitoring System, Lead Water Quality Online Analyzer

TOP6
Nanjing Hongguang Environmental Protection Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2014-03-18
Registered Capital10000K CNY

Nanjing Hongguang Environmental Protection Technology Co., Ltd., with its registered address at A1-006, Building A, Chuangzhi Industrial Park, No. 37 Shenzhou Road, Lukou Street, Jiangning District, Nanjing City. The registration authority is the Jiangning District Government Service Management Office of Nanjing City, and the legal representative is Huang Hua. Its business scope includes the development, production, sales, and maintenance of environmental protection products, instruments, instrument equipment, water and air quality monitoring equipment, environmental pollution control equipment, and application software; Environmental protection engineering design, construction, and maintenance; Sales and maintenance of indoor air pollution monitoring and control equipment; Sales of computers and accessories, electronic products, electronic components, communication equipment, and monitoring equipment; Computer system and software after-sales service; Import and export business of various commodities and technologies through self operation and agency (excluding commodities and technologies restricted or prohibited from import and export by the state). (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Cod Online Detector, Total Copper, Five

TOP7
Qingdao Haite Environmental Protection Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2010-03-15
Registered Capital10000K CNY

Qingdao Haite Environmental Protection Technology Co., Ltd., registered at Building 702, Phase II, Zhiyuan Garden, Xiazhuang, Chengyang District, Qingdao City, Shandong Province, China. Its registered address is No. 328 Chengkang Road, Chengzhuang Street, Chengyang District, Qingdao City. The registration authority is the Market Supervision Administration of Chengyang District, Qingdao City, and the legal representative is Shang Xuemin. Its business scope includes general projects such as sales of instruments and meters; Manufacturing of instruments and meters; Manufacturing of electronic measuring instruments; Manufacturing of specialized instruments and meters for environmental monitoring; Engineering and technical research and experimental development; Information system operation and maintenance services; Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Wholesale of hardware products; Retail of hardware products; Sales of special labor protection equipment; Wholesale of computer software, hardware, and auxiliary equipment; Retail of computer software, hardware, and auxiliary equipment; Software development; 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: Cod Online Detector, Laboratory/Portable Water Quality Analyzer, Electrode Method Water Quality Detector

TOP8
Shandong Lanjing Electronic Technology Co., Ltd
Overall Score4.5 / 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: Cod Online Detector, Meteorological And Environmental Instruments, Online Water Quality Monitoring Instrument

TOP9
Weihai Jingxun Tongtong Electronic Technology Co., Ltd
Overall Score4.4 / 5
Est. Date2015-11-03
Registered Capital20000K CNY

Weihai Jingxun Tongtong Electronic Technology Co., Ltd., with its registered address at 221-1 Huoju Road, Huoju High tech Industrial Development Zone, Weihai City, Shandong Province, is registered with the Market Supervision and Administration Bureau of Weihai Huoju High tech Industrial Development Zone. The legal representative is Wang Xiang, and the business scope includes general projects: manufacturing of environmental monitoring specialized instruments and meters; Manufacturing of atmospheric pollution monitoring and detection instruments and meters; Manufacturing of digital video surveillance systems; Manufacturing of computer software, hardware, and peripheral devices; Manufacturing of instruments and meters; Instrument and meter repair; Sales of instruments and meters; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of water quality pollutant monitoring and detection instruments and meters; Design and construction services for security technology prevention systems; Internet of Things technology services; Research and development of Internet of Things technology; Sales of IoT devices; Industrial Internet data service; Installation services for ordinary mechanical equipment; Software development; Import and export of goods; Technology import and export; Integrated circuit design; Integrated circuit manufacturing; Information system integration services; Intelligent control system integration; Manufacturing of communication equipment; Irrigation services; Water related consulting services; Manufacturing of photovoltaic equipment and components; Sales of photovoltaic equipment and components; Manufacturing of plastic products; Sales of plastic products; Agricultural machinery services; Sales of agricultural machinery; Agricultural machinery manufacturing; Manufacturing of specialized machinery for agriculture, forestry, animal husbandry, and fisheries; Installation and maintenance of specialized machinery for agriculture, forestry, animal husbandry, and fisheries; Sales of specialized machinery for agriculture, forestry, animal husbandry, animal husbandry, and fisheries; Manufacturing of agricultural, forestry, animal husbandry and fishery machinery accessories; Motor manufacturing; Manufacturing of generators and generator sets; Manufacturing of electric motors; Manufacturing of transformers, rectifiers, and inductors; Manufacturing of distribution switch control equipment; Manufacturing of power electronic components; Manufacturing of intelligent unmanned aerial vehicles; Manufacturing of optical instruments; Sales of optical instruments; Intelligent agricultural management; Manufacturing of IoT devices; Manufacturing of mobile communication devices; Manufacturing of terminal measuring equipment; Fertilizer sales; Fertilizer sales; Research and development of bio organic fertilizers; Research and development of technology for the harmless utilization of agricultural and forestry waste resources. (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) Licensed project: construction project construction; Manufacturing of wires and cables. (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: Cod Online Detector, Meteorological Station | Rainfall Station | Shutter Box, Wall Mounted Gas Detector/Sensor

TOP10
Shandong Green Kerry Precision Instrument Co., Ltd
Overall Score4.4 / 5
Est. Date2017-12-21
Registered Capital3000K CNY

Shandong Green Kerry Precision Instrument Co., Ltd., with its registered address at E7-1, Jiuwei Industrial Park, No. 2059 Zhonghua West Road, Wanfu Street, Luxi New District, Heze City, Shandong Province, is registered with the Market Supervision and Administration Bureau of Luxi New District, Heze City. The legal representative is Wang Yongxin, and the business scope includes the production, sales, installation training, software technology development, and consulting services of water quality analysis instruments, water quality automatic online monitoring equipment, petroleum analysis instruments, and gas analysis instruments; Sales of laboratory instruments, fume hoods, laboratory benches, mechanical equipment, glassware, and chemical reagents; Technology development, technology transfer, technology consulting, and technology services in the field of electronic products and computer science; Import and export of goods and technology. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Cod Online Detector, Reagent Consumables Accessories, Multi Parameter Detector

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Nanjing Hongguang Environmental Technology Co., Ltd2023-11-28Cod Online Detector, Ammonia Nitrogen, Chroma10000K CNYNot Supported
Wuhan Junde Environmental Protection Technology Development Co., Ltd2016-11-08Cod Online Detector, Heavy Metal Online Analyzer, Buoy Station5080K CNYNot Supported
Wuhan Nali Technology Co., Ltd2024-03-13Cod Online Detector, Portable, Oil Measuring Instrument5000K CNYNot Supported
Beijing Lianhua Yongxing Technology Development Co., Ltd2011-10-27Cod Online Detector, Bod Analyzer, Total Nitrogen Analyzer25000K CNYNot Supported
Nanjing Juge Environmental Technology Co., Ltd2015-02-03Cod Online Detector, Gas Online Monitoring System, Lead Water Quality Online Analyzer5000K CNYNot Supported
Nanjing Hongguang Environmental Protection Technology Co., Ltd2014-03-18Cod Online Detector, Total Copper, Five10000K CNYNot Supported
Qingdao Haite Environmental Protection Technology Co., Ltd2010-03-15Cod Online Detector, Laboratory/Portable Water Quality Analyzer, Electrode Method Water Quality Detector10000K CNYNot Supported
Shandong Lanjing Electronic Technology Co., Ltd2019-12-24Cod Online Detector, Meteorological And Environmental Instruments, Online Water Quality Monitoring Instrument3000K CNYNot Supported
Weihai Jingxun Tongtong Electronic Technology Co., Ltd2015-11-03Cod Online Detector, Meteorological Station | Rainfall Station | Shutter Box, Wall Mounted Gas Detector/Sensor20000K CNYNot Supported
Shandong Green Kerry Precision Instrument Co., Ltd2017-12-21Cod Online Detector, Reagent Consumables Accessories, Multi Parameter Detector3000K CNYNot Supported

Knowledge Base

Q

To ensure that the selected equipment meets your specific needs and water quality monitoring standards: 1. Detection range and accuracy: Understand the detection range of the instrument to ensure that it can cover the water quality range you need to monitor. At the same time, consider the accuracy, precision, and repeatability of the instrument. 2. Technical specifications: Understand the technical specifications of the instrument, including detection speed, data storage capacity, and signal

Q

This article introduces the commonly used instrument names and working principles for online detection of COD (Chemical Oxygen Demand), helping readers quickly understand this key equipment in the field of environmental monitoring.

Q

Aquaculture COD online detector is a water quality monitoring device specifically used in the field of aquaculture. Its main function is to measure the chemical oxygen demand (COD) in water in real time. Definition and Function: The aquaculture COD online detector is an instrument and equipment that achieves real-time measurement through electrochemical analysis technology.

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