Updated Sep 19, 2026 · Public platform & industry data

Sep 19, 2026 Updated

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2026 Top 10 Cod Online Detection Manufacturers in China

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

The top 10 Cod Online Detection manufacturers in China for 2026 are: Wuxi Wohuan Instrument Technology Co., Ltd, Nanjing Hongguang Environmental Technology Co., Ltd, Nanjing Kanchang Scientific Instrument Co., Ltd, Beijing Hengaode Instrument Co., Ltd, Sichuan Rongcheng Juyuan Intelligent Technology Co., Ltd, Qingdao Chenfei Environmental Protection Technology Co., Ltd, Qingdao Ruiming Instrument Equipment Co., Ltd, Zhongyi Intelligent Equipment Co., Ltd, Beijing Eurasia Depeng Technology Co., Ltd, Hebei Zhonglian Qitong Information 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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Wuxi Wohuan Instrument Technology Co., Ltd
Overall Score4.9 / 5
Est. Date2018-05-24
Registered Capital10000K CNY

Wuxi Wohuan Instrument Technology Co., Ltd. is registered at 11-2-4 floors, Jinshan Fourth Branch Road, Liangxi District, Wuxi City. The registration authority is the Administrative Approval Bureau of Liangxi District, Wuxi City, and the legal representative is Wang Bin. The business scope includes licensed projects: various engineering 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). General projects: technical services, technical development, technical consulting, technical exchanges, technology transfer, and technology promotion; Manufacturing of 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; Instrument and meter repair; Manufacturing of experimental analytical instruments; Sales of experimental analytical instruments; Mechanical parts and component processing; Sales of mechanical parts and components; Software development; Software sales; Research and development of Internet of Things technology; Internet of Things technology services; Information system operation and maintenance services; Sales of office equipment; Sales of industrial automatic control system devices; Sales of firefighting equipment; Retail of hardware products; Sales of pipeline transportation equipment; Wholesale of hardware products; Sales of valves and plugs; Sales of electrical equipment; Installation and maintenance of industrial robots; Installation services for ordinary mechanical equipment; General equipment repair; Specialized equipment repair; Sales of chemical products (excluding licensed chemical products); Manufacturing of specialized equipment for environmental protection; Import and export of goods; Technology import and export; Import and export agency (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 Detection, Float Based Water Quality Monitoring, Level Gauge

Top 2
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Nanjing Hongguang Environmental Technology Co., Ltd
Overall Score4.8 / 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 Detection, Ammonia Nitrogen, Chroma

Top 3
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Nanjing Kanchang Scientific Instrument Co., Ltd
Overall Score4.8 / 5
Est. Date2013-08-26
Registered Capital11000K CNY

Nanjing Kanchang Scientific Instrument Co., Ltd., with its registered address at Room 308, R&D Building, No. 689 Zhongxin Road, Jiangbei New District, Nanjing City, is registered with the Administrative Approval Bureau of Nanjing Jiangbei New District Management Committee. The legal representative is Xiao Ping, and its business scope includes licensed projects such as technology import and export; Import and export of goods (for projects that require approval by law, business activities can only be carried out after approval by relevant departments, and specific business projects are subject to the approval results) General projects: technical services, technology development, technology consulting, technology exchange, technology transfer, technology promotion; Sales of specialized chemical products (excluding hazardous chemicals); Manufacturing of instruments and meters; Sales of high-purity elements and compounds; Manufacturing of electrical instruments and meters; Manufacturing of intelligent instruments and meters; Manufacturing of supply instruments and meters; Manufacturing of specialized instruments and meters for environmental monitoring; Instrument and meter repair; Sales of instruments and meters; Sales of supply instruments and meters; Sales of electrical instruments and meters; Sales of intelligent instruments and meters; Manufacturing of experimental analytical instruments; Sales of experimental analytical instruments; Manufacturing of clocks and timing instruments; Sales of clocks and timing instruments; Manufacturing of specialized teaching instruments; Sales of specialized teaching instruments; Sales of mechanical equipment; Sales of electrical and mechanical equipment; Mechanical equipment research and development; Mechanical equipment leasing; Installation services for ordinary mechanical equipment; Sales of specialized equipment for environmental protection; Manufacturing of specialized equipment for environmental protection; Environmental consulting services; Specialized equipment repair; Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); Sales of specialized instruments and meters for environmental monitoring; Software sales; Software development; Basic software development for artificial intelligence; Development of artificial intelligence application software; Software outsourcing services; Development of network and information security software; Wholesale of computer software, hardware, and auxiliary equipment; Retail of computer software, hardware, and auxiliary equipment; Information technology consulting services; Operation of wires and cables; Sales of building decoration materials; Wholesale of hardware products; Retail of hardware products; Sales of building materials; Manufacturing of daily glass products; Sales of daily glass products (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: Cod Online Detection, Chemiluminescence Nitrogen Analyzer,

TOP4
Beijing Hengaode Instrument Co., Ltd
Overall Score4.7 / 5
Est. Date2009-11-27
Registered Capital1000K CNY

Beijing Hengaode Instrument Co., Ltd., registered at 1-1401-15, 14th floor, No. 87 West Third Ring North Road, Haidian District, Beijing, with the registration authority of the Market Supervision Administration of Haidian District, Beijing. The legal representative is Gao Na, and the business scope includes the sale of mechanical equipment, cultural goods, sports goods, handicrafts, metal materials, building materials, chemical products (excluding hazardous chemicals and Class I toxic chemicals), electronic products, automotive spare parts, hardware and electrical equipment (not allowed to engage in physical store operations), household appliances, computers, software and auxiliary equipment, communication equipment, and safety technology prevention products; Instrument and meter maintenance; Technology development, technology promotion, technology consulting, technology transfer, and technology services; Mechanical equipment leasing; Engineering survey; Engineering design. (Enterprises shall independently choose their business projects and carry out business activities in accordance with the law; for projects that require approval by law, they shall carry out business activities in accordance with the approved content after obtaining approval from relevant departments; they shall not engage in business activities prohibited or restricted by the industrial policies of this city.). Core products: Cod Online Detection, Laboratory Instruments, Water Quality Analyzer

TOP5
Sichuan Rongcheng Juyuan Intelligent Technology Co., Ltd
Overall Score4.7 / 5
Est. Date2021-07-01
Registered Capital5000K CNY

Sichuan Rongcheng Juyuan Intelligent Technology Co., Ltd., registered at Room 2924, 29th Floor, Unit 2, Building 1, No. 36 Chadianzi West Street, Jinniu District, Chengdu, with the registration authority of Jinniu District Market Supervision Administration and the legal representative of Hu Fengying, has a business scope including general projects such as technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of specialized equipment for environmental protection; Sales of specialized instruments and meters for environmental monitoring; Sales of ecological environment monitoring and detection instruments and meters; Sales of ecological environment materials; Sales of specialized chemical products (excluding hazardous chemicals); Sales of mechanical equipment; Sales of industrial automatic control system devices; Promotion services for new material technology; Intelligent control system integration; Information system integration services; Ecological resource monitoring; Development of intelligent water management system; Hydrological services; Water pollution prevention and control services; Sales of security equipment; Sales of instruments and meters; Sales of electronic components and electromechanical equipment; Mechanical equipment research and development; Internet security services; Environmental protection monitoring; Environmental emergency management services; Software development; Rental services (excluding licensed rental services); Environmental consulting services; Water resource management; Sales of water quality pollutant monitoring and detection instruments and meters; Sales of air pollution monitoring and detection instruments and meters; Sales of network equipment; Sales of communication equipment; Sales of information security equipment; Sales of cloud computing devices; Sales of optical communication equipment; Artificial intelligence industry application system integration services; Big data services; Security system monitoring service; Design and construction services for security technology prevention systems; Installation services for ordinary mechanical equipment; Network technology services; Information technology consulting services; Internet of Things technology services; Sales of IoT devices; Internet of Things application services; Sales of electronic measuring instruments; Sales of digital video surveillance systems; Sales of photovoltaic equipment and components. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license) Licensed projects: construction engineering design; Construction project construction; Construction of geological hazard control engineering; Construction labor subcontracting. (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 Detection, Flow Meter, Warning Equipment

TOP6
Qingdao Chenfei Environmental Protection Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2022-03-16
Registered Capital2000K CNY

Qingdao Chenfei Environmental Protection Technology Co., Ltd., with its registered address at No. 211, 2nd Floor, Qingdao Zhongguancun Information Valley Innovation Center, No. 97 Huoju Road, High tech Zone, Qingdao City, Shandong Province, is registered with the Market Supervision and Administration Bureau of Qingdao High tech Industrial Development Zone. The legal representative is Yin Yuzhen, and its business scope includes general projects such as water environment pollution prevention and control services; Manufacturing of specialized instruments and meters for environmental monitoring; Manufacturing of atmospheric pollution monitoring and detection instruments and meters; Manufacturing of monitoring and detection instruments for water quality pollutants; Manufacturing of experimental analytical instruments; General equipment manufacturing (excluding special equipment manufacturing); Sales of specialized equipment for environmental protection; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Mechanical equipment research and development; Sales of electronic specialized equipment; Measurement technology services; Sales of labor protection equipment; Sales of special equipment; Retail of computer software, hardware, and auxiliary equipment; Sales of mechanical equipment; Sales of intelligent instruments and meters; Sales of electronic measuring instruments; Sales of instruments and meters; Sales of specialized instruments and meters for environmental monitoring; Sales of industrial automatic control system devices; Sales of valves and plugs; Retail of hardware products; Installation services for ordinary mechanical equipment; Sales of environmental emergency detection instruments and meters; Sales of electronic specialized materials; Sales of chemical products (excluding licensed chemical products); Environmental protection monitoring; Industrial engineering design services; Sales of ecological environment monitoring and detection instruments and meters; Sales of mechanical and electrical equipment; Sales of household appliances; Sales of glassware; Sales of experimental analytical instruments; Sales of Class I medical devices; Information technology consulting services; Instrument and meter repair. (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 Detection, Soil Tester, Sound Level Meter

TOP7
Qingdao Ruiming Instrument Equipment Co., Ltd
Overall Score4.6 / 5
Est. Date2017-10-17
Registered Capital5000K CNY

Qingdao Ruiming Instrument Equipment Co., Ltd., registered at Room 501, Unit 1, Building 2, No. 11 Lingchuan Road, Licang District, Qingdao City, registered with the Market Supervision Administration of Licang District, Qingdao City, with Tang Jiahao as the legal representative. Its business scope includes general projects: sales of instruments and meters; Sales of specialized equipment for environmental protection; Sales of specialized instruments and meters for environmental monitoring; Manufacturing of specialized instruments and meters for environmental monitoring [branch operation]; Manufacturing of intelligent instruments and meters [branch operation]; Manufacturing of environmental emergency detection instruments and meters [branch operation]; Manufacturing of monitoring and testing instruments for water quality pollutants [branch operation]; Electronic product sales; Sales of office supplies; Retail of computer software, hardware, and auxiliary equipment; Wholesale of computer software, hardware, and auxiliary equipment; Wholesale of hardware products; Sales of mechanical equipment; Installation services for ordinary mechanical equipment; Maintenance of electronic and mechanical equipment (excluding special equipment); Business training (excluding licensed training such as education and vocational skills training); Sales of specialized chemical products (excluding hazardous chemicals); Sales of chemical products (excluding licensed chemical products); Sales of new membrane materials; Sales of ecological environment materials; Retail of hardware products; Sales of synthetic materials; Sales of plastic products. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license.) Licensed project: construction project construction. (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 Detection, Water Sampler, Bod Detector

TOP8
Zhongyi Intelligent Equipment Co., Ltd
Overall Score4.6 / 5
Est. Date2020-06-15
Registered Capital50000K CNY

Zhongyi Intelligent Equipment Co., Ltd., with its registered address at No. 0307, B8, Bo Guan Yun Zhu Dong, Jinyu Road, Xianying Street, Rencheng District, Jining City, Shandong Province, is registered with the Market Supervision Administration of Rencheng District, Jining City. The legal representative is Han Genshun, and its business scope includes general projects such as mechanical equipment research and development; Sales of construction machinery; Mining machinery manufacturing; Sales of mechanical equipment; Sales of mining machinery; Manufacturing of construction machinery; Sales of intelligent agricultural machinery and equipment; Manufacturing of mechanical and electrical equipment; Sales of mechanical and electrical equipment; Sales of electrical equipment; Sales of mechanical parts and components; Sales of specialized equipment for environmental protection; Mechanical parts and component processing; Technology import and export; Import and export of goods. (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 Detection, Testing Equipment,

TOP9
Beijing Eurasia Depeng Technology Co., Ltd
Overall Score4.4 / 5
Est. Date2011-05-04
Registered Capital100K CNY

Beijing Eurasia Depeng Technology Co., Ltd., with its registered address at 1-1404-483, 14th Floor, No. 87 West Third Ring North Road, Haidian District, Beijing, registered with the Market Supervision Administration of Haidian District, Beijing, and represented by Gao Peng as its legal representative. Its business scope includes technology development, technology promotion, technology consulting, technology transfer, and technology services; Sell self-developed products; Computer system services; Basic software services; Application software services; Software development; Software consulting. (Enterprises shall independently choose their business projects and carry out business activities in accordance with the law; for projects that require approval by law, they shall carry out business activities in accordance with the approved content after obtaining approval from relevant departments; they shall not engage in business activities prohibited or restricted by the industrial policies of this city.). Core products: Cod Online Detection, Soil Testing Instruments, Laboratory Instruments

TOP10
Hebei Zhonglian Qitong Information Technology Co., Ltd
Overall Score4.4 / 5
Est. Date2018-01-18
Registered Capital9180K CNY

Hebei Zhonglian Qitong Information Technology Co., Ltd., with its registered address at 2107-1, Building A, Hongji Mall, No. 366 Lianhe Road, Xinhua District, Shijiazhuang City, Hebei Province, is registered with the Market Supervision Administration of Xinhua District. The legal representative is Wang Guoqiang, and the business scope includes general projects such as technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Software sales; Computer system services; Retail of computer software, hardware, and auxiliary equipment; Information system integration services; Rental services (excluding licensed rental services); Organize cultural and artistic exchange activities; Enterprise management consulting; Corporate image planning; Marketing planning; Information consulting services (excluding licensed information consulting services); Data processing and storage support services; Sales of specialized equipment for environmental protection; Sales of lighting fixtures; Advertising design and agency; Advertising production; Advertising release; Sales of mechanical parts and components; Disinfectant sales (excluding hazardous chemicals); Sales of mechanical equipment; Electronic product sales; Sales of chemical products (excluding licensed chemical products); Copyright agency; Retail of electronic components; Wholesale of electronic components; Conference and exhibition services; Exhibition and display services for digital creative products; Wholesale of computer software, hardware, and auxiliary equipment; Market research (excluding foreign-related research); General equipment repair; Specialized equipment repair; Maintenance of electronic and mechanical equipment (excluding special equipment); Sales of Class II medical devices; Internet sales (except for the sale of goods that need to be licensed); Installation services for ordinary mechanical equipment. (In addition to the projects that need to be approved according to law, business activities shall be carried out independently according to law with the business license) Permitted projects: Internet information services; The second type of value-added telecommunications services; Network culture management. (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 Detection, Medium Pressure Ultraviolet Sterilizer, Self-Cleaning Sterilizer

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Wuxi Wohuan Instrument Technology Co., Ltd2018-05-24Cod Online Detection, Float Based Water Quality Monitoring, Level Gauge10000K CNYNot Supported
Nanjing Hongguang Environmental Technology Co., Ltd2023-11-28Cod Online Detection, Ammonia Nitrogen, Chroma10000K CNYNot Supported
Nanjing Kanchang Scientific Instrument Co., Ltd2013-08-26Cod Online Detection, Chemiluminescence Nitrogen Analyzer, 11000K CNYNot Supported
Beijing Hengaode Instrument Co., Ltd2009-11-27Cod Online Detection, Laboratory Instruments, Water Quality Analyzer1000K CNYNot Supported
Sichuan Rongcheng Juyuan Intelligent Technology Co., Ltd2021-07-01Cod Online Detection, Flow Meter, Warning Equipment5000K CNYNot Supported
Qingdao Chenfei Environmental Protection Technology Co., Ltd2022-03-16Cod Online Detection, Soil Tester, Sound Level Meter2000K CNYNot Supported
Qingdao Ruiming Instrument Equipment Co., Ltd2017-10-17Cod Online Detection, Water Sampler, Bod Detector5000K CNYNot Supported
Zhongyi Intelligent Equipment Co., Ltd2020-06-15Cod Online Detection, Testing Equipment, 50000K CNYSupported
Beijing Eurasia Depeng Technology Co., Ltd2011-05-04Cod Online Detection, Soil Testing Instruments, Laboratory Instruments100K CNYNot Supported
Hebei Zhonglian Qitong Information Technology Co., Ltd2018-01-18Cod Online Detection, Medium Pressure Ultraviolet Sterilizer, Self-Cleaning Sterilizer9180K CNYNot Supported

Knowledge Base

Q

COD online monitoring device is a device used for real-time monitoring of chemical oxygen demand in water. COD refers to the amount of oxygen consumed by organic and reducing inorganic substances that can be oxidized in water under certain conditions, and is an important indicator for measuring the degree of organic pollution in water bodies. COD online monitoring device

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