Updated Sep 19, 2026 · Public platform & industry data

Sep 19, 2026 Updated

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2026 Top 10 Cod Analyzer Manufacturers in China

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

The top 10 Cod Analyzer manufacturers in China for 2026 are: Shandong Youyunpu Optoelectronics Technology Co., Ltd, Qingdao Lubo Weiye Environmental Protection Technology Co., Ltd, Hengrui Xingda Instrument and Meter Store in Licang District, Shanghai Youke Instrument Co., Ltd, Qingdao Juchuang Environmental Protection Group Co., Ltd, Nanjing Hongguang Environmental Protection Technology Co., Ltd, Beijing Shuanghui Jingcheng Electronic Products Co., Ltd, Shandong Tianyan Instrument Co., Ltd, Shandong Hongwei Quantum Technology Co., Ltd, Delite (Beijing) 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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Shandong Youyunpu Optoelectronics Technology Co., Ltd
Overall Score4.9 / 5
Est. Date2019-12-20
Registered Capital3000K CNY

Shandong Youyunpu Optoelectronic Technology Co., Ltd., registered at 108, 1st floor, Workshop 3, Oulong Science and Technology Park, No.1 Jinma Road, Yuqing Community, Xincheng Street, Weifang High tech Zone, Shandong Province (with multiple addresses), registered with the Market Supervision and Administration Bureau of Weifang High tech Industrial Development Zone, with Xu Shanshan as the legal representative. Its business scope includes general projects: manufacturing of experimental and analytical instruments; Sales of experimental analytical instruments; Manufacturing of instruments and meters; Sales of instruments and meters; Manufacturing of intelligent instruments and meters; Sales of intelligent instruments and meters; Manufacturing of electrical instruments and meters; Sales of electrical instruments and meters; Manufacturing of electronic measuring instruments; Sales of electronic measuring instruments; Manufacturing of IoT devices; Sales of IoT devices; 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; Sales of environmental emergency detection instruments and meters; Sales of specialized equipment for environmental protection; Sales of mechanical equipment; Sales of specialized teaching instruments; Sales of Class II medical devices; Sales of office equipment; Sales of communication equipment; Electronic product sales; Sales of chemical products (excluding licensed chemical products); Retail of hardware products; Software development; Mechanical equipment research and development; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Instrument and meter repair; General equipment repair; Specialized equipment repair; Repair of communication equipment; business management; Internet security services; Environmental emergency management services; Environmental protection monitoring; Socio economic consulting services; Sales of Class I medical devices. (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 Analyzer, Other Instruments, Laboratory Instruments

Top 2
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Qingdao Lubo Weiye Environmental Protection Technology Co., Ltd
Overall Score4.7 / 5
Est. Date2008-04-02
Registered Capital500K CNY

Qingdao Lubo Weiye Environmental Protection Technology Co., Ltd., registered at Room 801-30, Building 3, No. 130-145 Jiushui East Road, Licang District, Qingdao City, Shandong Province, registered with the Market Supervision and Administration Bureau of Licang District, Qingdao City. The legal representative is Lv Changgang, and the business scope includes general projects such as technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Software development; 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 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; 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; Sales of gas and liquid separation and purification equipment; Manufacturing of dust removal technology equipment. (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law). Core products: Cod Analyzer, Nitric Oxide Detector, Gas Detector

Top 3
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Hengrui Xingda Instrument and Meter Store in Licang District
Overall Score4.7 / 5
Est. Date2017-12-07
Registered Capital-

Hengrui Xingda Instrument and Meter Store in Licang District, Qingdao City, Shandong Province, with its registered address at 1022 Beilao Road, Licang District, Qingdao City, registered with the Market Supervision Administration of Licang District, Qingdao City, and represented by Lv Zhiguo. Its business scope includes wholesale and retail of instruments and meters, electronic products, hardware and electrical equipment, and labor protection products. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Cod Analyzer, Spectrophotometer Colorimeter, Permanganate Index Analyzer

TOP4
Shanghai Youke Instrument Co., Ltd
Overall Score4.6 / 5
Est. Date2007-01-11
Registered Capital9000K CNY

Shanghai Youke Instrument and Meter Co., Ltd., registered at No. 228 Qingling Road, Qingcun Town, Fengxian District, Shanghai, with the registration authority of Fengxian District Market Supervision Administration and the legal representative of Airei, engages in the manufacturing, processing, wholesale, and retail of instruments and meters, wholesale and retail of chemical reagents (excluding hazardous chemicals, monitoring chemicals, civilian explosives, and precursor drugs), glassware, office supplies, computers, software, and auxiliary equipment, computer software development, technical consulting and services in the field of instrument and meter technology, and import and export of goods and technology. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Cod Analyzer, Ax Series Electronic Balance, Melting Point Apparatus

TOP5
Qingdao Juchuang Environmental Protection Group Co., Ltd
Overall Score4.6 / 5
Est. Date2012-06-12
Registered Capital11800K CNY

Qingdao Juchuang Environmental Protection Group Co., Ltd., with its registered address at Room 1501, Building 3, No. 266 Jiushui East Road, Licang District, Qingdao City, Shandong Province, China. The registration authority is the Market Supervision Administration of Licang District, Qingdao City, and the legal representative is Li Tao. Its business scope includes general projects such as instrument manufacturing; Manufacturing of experimental analytical instruments; Manufacturing of specialized equipment for environmental protection; Mechanical equipment research and development; Software development; Sales of specialized equipment for environmental protection; Sales of instruments and meters; Sales of environmental emergency detection instruments and meters; Sales of marine water quality and ecological environment monitoring instruments and equipment; Sales of mechanical equipment; Internet sales (except for the sale of goods that need to be licensed); Electronic product sales; Sales of labor protection equipment; Sales of drug testing instruments; Sales of chemical products (excluding licensed chemical products); Sales of glassware; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Advertising design and agency; Packaging services; General cargo warehousing services (excluding projects requiring permits and approvals such as hazardous chemicals); Non residential real estate leasing; Conference and exhibition services; business management; Enterprise headquarters management; Intellectual property services (excluding patent agency services); Business agency services; Sales of Class II medical devices; Sales of Class I medical devices; Import and export of goods; Technology import and export; Mechanical equipment leasing; Rental services (excluding licensed rental services). (Except for projects that require approval according to law, business activities can be carried out independently based on the business license) Licensed project: agency bookkeeping. (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 Analyzer, Thickness Gauge, Bod 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 Analyzer, Total Copper, Five

TOP7
Beijing Shuanghui Jingcheng Electronic Products Co., Ltd
Overall Score4.5 / 5
Est. Date2001-07-12
Registered Capital2000K CNY

Beijing Shuanghui Jingcheng Electronic Products Co., Ltd., registered at 1st floor, Building 21, Block A, No. 39, Pinghe Street, Xinggu A District, Pinggu Park, Zhongguancun Science and Technology Park, Pinggu District, Beijing, with the registration authority of Pinggu District Market Supervision Administration and the legal representative of Song Yanxiang, has a business scope including general projects: sales of electronic products; Manufacturing of instruments and meters; Sales of specialized instruments and meters for environmental monitoring; Sales of instruments and meters; Sales of experimental analytical instruments; Manufacturing of specialized chemical products (excluding hazardous chemicals); Sales of specialized chemical products (excluding hazardous chemicals); Wholesale of computer software, hardware, and auxiliary equipment; Wholesale of electronic components; Socio economic consulting services; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Non residential real estate leasing. (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 Analyzer, Water Quality Analyzer, Water Quality Tester

TOP8
Shandong Tianyan Instrument Co., Ltd
Overall Score4.5 / 5
Est. Date2021-12-21
Registered Capital5000K CNY

Shandong Tianyan Instrument Co., Ltd., with its registered address at Room 423, 4th Floor, Building 1, Optoelectronic Industry Accelerator (Phase I), No. 155 Guangdian 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 Zhou Yong, and the business scope includes general projects: manufacturing of experimental and analytical instruments; Manufacturing of instruments and meters; Sales of instruments and meters; Sales of specialized teaching instruments; Electronic product sales; Manufacturing of specialized instruments; Sales of chemical products (excluding licensed chemical products); Software development; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Information consulting services (excluding licensed information consulting services); Enterprise management consulting; Engineering management services; Research and development of Internet of Things technology; Manufacturing of IoT devices; Sales of IoT devices; Intelligent control system integration; Air pollution control; Water pollution control; Environmental protection monitoring; Sales of specialized chemical products (excluding hazardous chemicals); General equipment repair; Specialized equipment repair; Mechanical equipment leasing; Rental services (excluding licensed rental 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 Analyzer, Pesticide Residue Detector, Soil Nutrient Detector

TOP9
Shandong Hongwei Quantum Technology Co., Ltd
Overall Score4.4 / 5
Est. Date2020-12-02
Registered Capital3000K CNY

Shandong Hongwei Quantum Technology Co., Ltd., registered at Room 201, 2nd Floor, East Workshop, Shandong Dalu Industrial Park, No. 6 Jinma Road, Yuqing Community, Xincheng Street, Weifang High tech Zone, Shandong Province, China. The registration authority is the Market Supervision and Administration Bureau of Weifang High tech Industrial Development Zone, and the legal representative is Zhang Fujun. The business scope includes general projects such as artificial intelligence application software development; Manufacturing of intelligent instruments and meters; Sales of intelligent instruments and meters; Manufacturing of testing machines; Sales of testing machines; Manufacturing of experimental analytical instruments; Sales of experimental analytical instruments; Manufacturing of electrical instruments and meters; Sales of electrical instruments and meters; Sales of electronic measuring instruments; Manufacturing of instruments and meters; Sales of instruments and meters; Electronic product sales; Manufacturing of IoT devices; Sales of IoT devices; Manufacturing of intelligent unmanned aerial vehicles; Sales of intelligent unmanned aerial vehicles; Instrument and meter repair; Sales of communication equipment; General equipment repair; Manufacturing of specialized instruments and meters for environmental monitoring; Sales of specialized instruments and meters for environmental monitoring; Sales of specialized equipment for environmental protection; Sales of office equipment; Sales of chemical products (excluding licensed chemical products); Research and development of hardware products; Mechanical equipment research and development; Sales of mechanical equipment; Sales of specialized teaching instruments; Sales of communication equipment; Environmental emergency management services; Environmental protection monitoring; Enterprise management consulting; Software development; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Repair of communication equipment; Specialized equipment repair. (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 Analyzer, Helium Mass Spectrometer Leak Detector, Molecular Biology

TOP10
Delite (Beijing) Technology Co., Ltd
Overall Score4.4 / 5
Est. Date2016-07-04
Registered Capital10000K CNY

Delite (Beijing) Technology Co., Ltd., with its registered address at 2061, Building 1, No. 97 Changping Road, Shahe Town, Changping District, Beijing (Changping Demonstration Park), registered with the Market Supervision Administration of Changping District, Beijing, and represented by Qu Liwen as its legal representative. Its business scope includes technology promotion services; Selling instruments and meters, chemical products (excluding hazardous chemicals), hardware and electrical equipment, rubber products, and mechanical equipment; Repair instruments and meters; Proxy import and export, import and export of goods, and import and export of technology; Software development; Integrated circuit design; Computer system integration; Manufacturing specialized teaching instruments; Manufacturing specialized instruments for environmental monitoring; Manufacturing experimental analytical instruments; Manufacturing electrical instruments and meters; Manufacturing industrial automatic control system devices. (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 Analyzer, Insulation Oil Testing Instrument, Other Testing Instruments

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Shandong Youyunpu Optoelectronics Technology Co., Ltd2019-12-20Cod Analyzer, Other Instruments, Laboratory Instruments3000K CNYNot Supported
Qingdao Lubo Weiye Environmental Protection Technology Co., Ltd2008-04-02Cod Analyzer, Nitric Oxide Detector, Gas Detector500K CNYNot Supported
Hengrui Xingda Instrument and Meter Store in Licang District2017-12-07Cod Analyzer, Spectrophotometer Colorimeter, Permanganate Index Analyzer-Not Supported
Shanghai Youke Instrument Co., Ltd2007-01-11Cod Analyzer, Ax Series Electronic Balance, Melting Point Apparatus9000K CNYNot Supported
Qingdao Juchuang Environmental Protection Group Co., Ltd2012-06-12Cod Analyzer, Thickness Gauge, Bod Analyzer11800K CNYNot Supported
Nanjing Hongguang Environmental Protection Technology Co., Ltd2014-03-18Cod Analyzer, Total Copper, Five10000K CNYNot Supported
Beijing Shuanghui Jingcheng Electronic Products Co., Ltd2001-07-12Cod Analyzer, Water Quality Analyzer, Water Quality Tester2000K CNYNot Supported
Shandong Tianyan Instrument Co., Ltd2021-12-21Cod Analyzer, Pesticide Residue Detector, Soil Nutrient Detector5000K CNYNot Supported
Shandong Hongwei Quantum Technology Co., Ltd2020-12-02Cod Analyzer, Helium Mass Spectrometer Leak Detector, Molecular Biology3000K CNYNot Supported
Delite (Beijing) Technology Co., Ltd2016-07-04Cod Analyzer, Insulation Oil Testing Instrument, Other Testing Instruments10000K CNYNot Supported

Purchasing Guide

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

  • For procurement requirements that require the use of COD analyzers, it is recommended to prioritize confirming key technical parameters such as range, measurement accuracy, and anti-interference ability to ensure that the equipment is suitable for detecting pollutant concentrations in target water bodies.
  • In industrial wastewater monitoring scenarios, COD analyzers need to have high repeatability and stability, while laboratory environments pay more attention to the diversity and compatibility of data output. When purchasing, functional configurations should be matched according to actual scenarios.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and whether there is industry data support. These indicators can effectively evaluate the reliability of suppliers.
  • The electrode material and reagent consumption of COD analyzer directly affect the long-term operating cost. It is recommended to compare the maintenance requirements of different models and make comprehensive considerations based on the budget.

Knowledge Base

Q

Introduction to Online COD Analyzer. Online COD (Chemical Oxygen Demand) analyzer is an important water quality monitoring device. COD reflects the degree of pollution in water by reducing substances, mainly organic matter. Online COD analyzers usually use specific chemical analysis methods, such as potassium dichromate method, potassium permanganate method, etc., which can quickly and accurately measure water

Q

  COD (Chemical Oxygen Demand) is a chemical method used to measure the amount of reducing substances that need to be oxidized in a water sample. The oxygen equivalent of substances (usually organic compounds) that can be oxidized by strong oxidants in wastewater, wastewater treatment plant effluent, and polluted water.

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