Updated Sep 19, 2026 · Public platform & industry data

Sep 19, 2026 Updated

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2026 Top 10 Cod Tester Manufacturers in China

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

The top 10 Cod Tester manufacturers in China for 2026 are: Jiangsu Shengaohua Environmental Protection Technology Co., Ltd, Shanghai Haiheng Electromechanical Instrument Co., Ltd, Qingdao Xinchang Environmental Protection Technology Co., Ltd, Shandong Dikang Environmental Protection Technology Co., Ltd, Tianjin Zhongke Chuangpu Technology Co., Ltd, Qingdao Haite Environmental Protection Technology Co., Ltd, Shandong Tianwei Environmental Technology Co., Ltd, Shandong Lanjing Electronic Technology Co., Ltd, Shenzhen Medtech Biotechnology Co., Ltd, Nanjing Hongguang 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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Jiangsu Shengaohua Environmental Protection Technology Co., Ltd
Overall Score4.9 / 5
Est. Date2005-04-13
Registered Capital5180K CNY

Jiangsu Shengaohua Environmental Protection Technology Co., Ltd., with its registered address at Building 7, Liangu Intelligent Manufacturing Center, No. 101 Lianfeng Road, Dingyan Street, Changzhou Economic Development Zone, is registered with the Management Committee of Changzhou Economic Development Zone, Jiangsu Province. The legal representative is Wei Yongjun, and its business scope includes general projects such as ecological environment monitoring and manufacturing of testing instruments and meters; Manufacturing of specialized instruments and meters for environmental monitoring; Manufacturing of environmental emergency detection instruments and meters; Manufacturing of monitoring and detection instruments for water quality pollutants; Manufacturing of atmospheric pollution monitoring and detection instruments and meters; Manufacturing of environmental emergency technology equipment; Manufacturing of experimental analytical instruments; Manufacturing of intelligent instruments and meters; Manufacturing of specialized equipment for environmental protection; Manufacturing of optical instruments; Manufacturing of specialized machinery and equipment for water resources; Development of intelligent water management system; Software development; Mechanical equipment research and development; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Engineering and technical research and experimental development; Sales of specialized equipment for environmental protection; Sales of environmental emergency detection instruments and meters; Sales of environmental emergency technical equipment; Sales of specialized instruments and meters for environmental monitoring; Sales of water quality pollutant monitoring and detection instruments and meters; Sales of experimental analytical instruments; Sales of intelligent instruments and meters; Sales of instruments and meters; Sales of optical instruments; Sales of intelligent robots; Sales of drug testing instruments; Sales of air pollution monitoring and detection instruments and meters; Sales of specialized instruments and meters for agriculture, forestry, animal husbandry, and fishing; Sales of glass fiber reinforced plastic products; Sales of specialized chemical products (excluding hazardous chemicals); Environmental consulting services; Water pollution prevention and control services; Agricultural non-point source and heavy metal pollution prevention and control technical services (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: Cod Tester, Reagent Consumables Accessories, Ammonia Nitrogen And Total Nitrogen Analyzer

Top 2
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Shanghai Haiheng Electromechanical Instrument Co., Ltd

No. 39 Xingfa Road, Xingta Town, Jinshan District, Shanghai

Overall Score4.7 / 5
Est. Date1998-10-26
Registered Capital5000K CNY

Shanghai Haiheng Electromechanical Instrument Co., Ltd., located at No. 39 Xingfa Road, Xingta Town, Jinshan District, Shanghai, was established on October 26, 1998. The registered authority is the Shanghai Municipal Administration for Market Regulation, and the legal representative is Wang Zhiwu. Core products: Cod Tester, Swimming Pool, Detector

Top 3
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Qingdao Xinchang Environmental Protection Technology Co., Ltd
Overall Score4.7 / 5
Est. Date2024-07-04
Registered Capital5000K CNY

Qingdao Xinchang Environmental Protection Technology Co., Ltd., registered at Room 1201-1, Building 3, Innovation Park, No. 130-145 Jiushui East Road, Licang District, Qingdao City, Shandong Province, registered with the Market Supervision Administration of Licang District, Qingdao City, with Wang Zhaomin as the legal representative. Its business scope includes general projects such as indoor 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: Cod Tester, Constant Temperature Heater, Explosion Proof Dust Collector

TOP4
Shandong Dikang Environmental Protection Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2015-02-13
Registered Capital3000K CNY

Shandong Dikang Environmental Protection Technology Co., Ltd., with its registered address at D2-4, Jiuwei Industrial Park, Zhonghua West Road, High tech Zone, Heze City, Shandong Province, is registered with the Market Supervision and Administration Bureau of Luxi New Area, Heze. The legal representative is Wang Yongjun, and its business scope includes the research and production of water quality analysis instruments; Production and sales of COD digesters and ammonia nitrogen distillers: laboratory instruments and equipment, environmental protection equipment, analytical instruments, glassware, experimental benches, fume hoods, and laboratory infrastructure construction: sales of electrical materials and chemical reagents; The overall installation of water quality automatic online analyzers, production, assembly, sales, and services of household and industrial environmental protection equipment, air purifiers, and plastic products: technical development and control system design of environmental protection equipment, and technical consulting services (projects that require approval by law can only be carried out after approval by relevant departments). Core products: Cod Tester, Total Phosphorus And Total Nitrogen Detection, Infrared Oil Analyzer

TOP5
Tianjin Zhongke Chuangpu Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2016-05-10
Registered Capital12000K CNY

Tianjin Zhongke Chuangpu Technology Co., Ltd., with its registered address at 402B, Building 3, No. 4 Haitai Development Second Road, Huayuan Industrial Zone (Outer Ring Road), Binhai High tech Zone, Tianjin. The registration authority is the Market Supervision Administration of Binhai High tech Industrial Development Zone, and the legal representative is Gaofubo. Its business scope includes scientific research and technical services; Information transmission, software and information technology services Business service industry; Wholesale and retail Manufacturing of instruments, electronic components, electronic products, and molds; Import and export business of goods and technology; Installation and maintenance of instruments and meters. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Cod Tester, Measuring Instrument, Detector

TOP6
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 Tester, Laboratory/Portable Water Quality Analyzer, Electrode Method Water Quality Detector

TOP7
Shandong Tianwei Environmental Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2022-06-22
Registered Capital3000K CNY

Shandong Tianwei Environmental Technology Co., Ltd., with its registered address at Room 204, 2nd Floor, Workshop 3, Oulong Technology Park, No.1 Jinma Road, Yuqing Community, Xincheng Street, 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 Yin Yangyang, and the business scope includes general projects such as technical services, technical development, technical consulting, technical exchanges, technology transfer, and technology promotion; Research and development of Internet of Things technology; Manufacturing of IoT devices; Sales of IoT devices; Intelligent control system integration; Information system integration services; Information system operation and maintenance services; Integrated circuit design; Software development; Data processing and storage support services; Manufacturing of intelligent instruments and meters; Sales of intelligent instruments and meters; Manufacturing of experimental analytical instruments; Sales of experimental analytical instruments; Manufacturing of electronic measuring instruments; Sales of electronic measuring instruments; Intelligent agricultural management; Forestry pest control services; Manufacturing of specialized equipment for traffic safety and control; Ecological resource monitoring; Manufacturing of specialized instruments and meters for environmental monitoring; Sales of specialized instruments and meters for environmental monitoring; Manufacturing of environmental emergency detection instruments and meters; Sales of environmental emergency detection instruments and meters; Environmental protection monitoring; Sales of water quality pollutant monitoring and detection instruments and meters; Sales of office equipment; Sales of office equipment and consumables; Information consulting services (excluding licensed information consulting services); 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: Cod Tester, Atmospheric Monitoring Equipment, Water Quality Monitoring Equipment

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 Tester, Meteorological And Environmental Instruments, Online Water Quality Monitoring Instrument

TOP9
Shenzhen Medtech Biotechnology Co., Ltd
Overall Score4.4 / 5
Est. Date2019-04-29
Registered Capital3000K CNY

Shenzhen Medshi Biotechnology Co., Ltd., registered at 613-616 (614M20), Building A, International Chamber of Commerce Building, No. 138 Fuhua 1st Road, Fu'an Community, Futian Street, Futian District, Shenzhen, with the Shenzhen Market Supervision Administration as the registered authority and Fang Chao as the legal representative. Its business scope includes biotechnology development services; Sales of instruments and meters; Sales of optical instruments; Sales of specialized instruments for navigation, surveying, meteorology, and oceanography; Retail of hardware products; Sales of specialized instruments and meters for environmental monitoring; Research and development of electronic specialized materials; Manufacturing of electronic specialized materials; Research and development of Internet of Things technology; Internet of Things technology services; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Manufacturing of optical instruments; Manufacturing of experimental analytical instruments; Manufacturing of instruments and meters; Manufacturing of specialized chemical products (excluding hazardous chemicals); Sales of specialized chemical products (excluding hazardous chemicals); Sales of experimental analytical instruments. Internet sales (except for the sale of goods that need to be licensed); Business training (excluding licensed training such as education and vocational skills training); Marketing planning; Sales of IoT devices. Import and export of goods, except for projects that require approval according to law, shall be conducted independently based on the business license in accordance with the law; Technology import and export. Internet domain name registration service; Online data processing and transaction processing services (business oriented e-commerce). (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 Tester, Other Testing Equipment, Spectrophotometer

TOP10
Nanjing Hongguang Environmental Protection Technology Co., Ltd
Overall Score4.4 / 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 Tester, Total Copper, Five

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Jiangsu Shengaohua Environmental Protection Technology Co., Ltd2005-04-13Cod Tester, Reagent Consumables Accessories, Ammonia Nitrogen And Total Nitrogen Analyzer5180K CNYNot Supported
Shanghai Haiheng Electromechanical Instrument Co., Ltd1998-10-26Cod Tester, Swimming Pool, Detector5000K CNYNot Supported
Qingdao Xinchang Environmental Protection Technology Co., Ltd2024-07-04Cod Tester, Constant Temperature Heater, Explosion Proof Dust Collector5000K CNYNot Supported
Shandong Dikang Environmental Protection Technology Co., Ltd2015-02-13Cod Tester, Total Phosphorus And Total Nitrogen Detection, Infrared Oil Analyzer3000K CNYNot Supported
Tianjin Zhongke Chuangpu Technology Co., Ltd2016-05-10Cod Tester, Measuring Instrument, Detector12000K CNYNot Supported
Qingdao Haite Environmental Protection Technology Co., Ltd2010-03-15Cod Tester, Laboratory/Portable Water Quality Analyzer, Electrode Method Water Quality Detector10000K CNYNot Supported
Shandong Tianwei Environmental Technology Co., Ltd2022-06-22Cod Tester, Atmospheric Monitoring Equipment, Water Quality Monitoring Equipment3000K CNYNot Supported
Shandong Lanjing Electronic Technology Co., Ltd2019-12-24Cod Tester, Meteorological And Environmental Instruments, Online Water Quality Monitoring Instrument3000K CNYNot Supported
Shenzhen Medtech Biotechnology Co., Ltd2019-04-29Cod Tester, Other Testing Equipment, Spectrophotometer3000K CNYNot Supported
Nanjing Hongguang Environmental Protection Technology Co., Ltd2014-03-18Cod Tester, Total Copper, Five10000K CNYNot Supported

Knowledge Base

Q

When choosing a COD detector, there are several key points that need to be focused on. Firstly, the accuracy of the detection should be considered, which directly affects the reliability of the detection results. Instruments with high precision can provide more powerful data support for subsequent work. Secondly, the detection speed is also crucial, as the detector can obtain results in a short period of time, greatly improving work efficiency. Furthermore, the ease of operation

Q

A brief introduction to COD detector. COD detector is an important instrument used to measure the chemical oxygen demand of water bodies. Chemical oxygen demand (COD) reflects the degree of pollution in water by reducing substances, mainly organic matter. COD detectors usually use chemical analysis methods to react with organic compounds in water samples using specific reagents, and measure the optical properties before and after the reaction

Q

COD detector is an important instrument for measuring chemical oxygen demand in water bodies, widely used in environmental monitoring, water quality assessment, and wastewater treatment. It provides indispensable data support for scientifically assessing the degree of water pollution and formulating effective control measures by measuring the amount of oxygen consumed by organic matter oxidation in water samples.

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