Updated Sep 4, 2026 · Public platform & industry data

Sep 4, 2026 Updated

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2026 Top 10 Time Difference Flowmeter Manufacturers in China

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Top-rated Time Difference Flowmeter suppliers, How to choose a Time Difference Flowmeter manufacturer, Best Time Difference Flowmeter companies in China

The top 10 Time Difference Flowmeter manufacturers in China for 2026 are: Nanjing Ouka Instrument Co., Ltd, Shandong Sancheng Smart Agriculture Technology Co., Ltd, Shandong Oubiao Information Technology Co., Ltd, Hangzhou Liyu Ultrasonic Technology Co., Ltd, Tangshan Fengrui Instrument Co., Ltd, Qingdao Xinchang Environmental Protection Technology Co., Ltd, Anhui Tiankang (Group) Co., Ltd, Jiangsu Keluojia Technology Co., Ltd, Qingdao Hengchang Shengxu Environmental Protection Technology Co., Ltd, Anhui Tiankang (Group) Co., Ltd. Ranked based on product relevance, certifications, company activity, and industry performance. This list is widely used for supplier comparison and sourcing decisions.

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Top 1
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Nanjing Ouka Instrument Co., Ltd
Overall Score4.9 / 5
Est. Date2016-05-15
Registered Capital1110K CNY

Nanjing Ouka Instrument and Meter Co., Ltd., with its registered address at No. 8 Rongning Road, Hushu Street, Jiangning District, Nanjing City, is registered with the Jiangning District Government Service Management Office of Nanjing City. The legal representative is Li Wanming, and its business scope includes research and development, production, sales, installation, and technical services of instruments, automation equipment, and systems; Research and development, sales, and technical services of computer software and hardware; Sales of hardware accessories. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Time Difference Flowmeter, Time Difference Method Ultrasonic Open Channel Flowmeter, Hydrological Flowmeter

Top 2
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Shandong Sancheng Smart Agriculture Technology Co., Ltd
Overall Score4.7 / 5
Est. Date2021-11-05
Registered Capital50010K CNY

Shandong Sancheng Smart Agricultural Technology Co., Ltd., whose registered address is 550 meters east of the intersection of Jinghua Road, Tianping Street, Daiyue District, Tai'an City, Shandong Province and Taifei first-class highway, is registered by the Market Supervision Administration of Daiyue District, Tai'an City, and its legal representative is Liu Chenzi. Its business scope includes general projects: agricultural scientific research and experimental development; Technical consulting services for artificial intelligence public service platform; Internet sales (except for the sale of goods that need to be licensed); Artificial Intelligence Public Data Platform; Environmental protection monitoring; Engineering management services; Sales of construction machinery; Agricultural machinery manufacturing; Sales of agricultural machinery; 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; Management of flood prevention and drainage facilities; Water pollution control; Hydrological services; Manufacturing of specialized machinery and equipment for water resources; Sales of specialized equipment for environmental protection; Manufacturing of specialized equipment for environmental protection; Sales of environmental emergency detection instruments and meters; Manufacturing of specialized instruments and meters for environmental monitoring; Sales of mechanical equipment; Sales of intelligent instruments and meters; Manufacturing of intelligent instruments and meters; Manufacturing of instruments and meters; Sales of instruments and meters; Basic software development for artificial intelligence; Information technology consulting services; Software sales; Software development; Sales of IoT devices; Water related consulting services; Irrigation services; Sales of electronic measuring instruments; Manufacturing of power facilities and equipment; Integrated circuit manufacturing; Sales of water quality pollutant monitoring and detection instruments and meters; Maintenance of electronic and mechanical equipment (excluding special equipment). (Except for projects that require approval according to law, independently carry out business activities based on the business license) Licensed project: supervision of water conservancy engineering construction; Construction project supervision; Construction project construction; Electrical installation 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: Time Difference Flowmeter, Integrated Rainwater Monitoring Station, Ultrasonic Channel Flow Measurement Box

Top 3
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Shandong Oubiao Information Technology Co., Ltd
Overall Score4.7 / 5
Est. Date2014-03-28
Registered Capital30000K CNY

Shandong Oubiao Information Technology Co., Ltd., with its registered address at Room 01, Building 8, Jigao Intelligent Manufacturing Technology Park, High tech Zone, Jinan City, Shandong Province, is registered with the Market Supervision Bureau of Jinan High tech Industrial Development Zone Management Committee. The legal representative is Zhang Yuanzhen, and its business scope includes the development, production, sales, and installation of computer software and hardware, instruments and meters, irrigation equipment, metering equipment, heating equipment, heating equipment, air conditioning equipment, intelligent water conservancy gate equipment, power equipment, and non specialized communication equipment; Information system integration services; Design and construction of electronic and intelligent engineering, water conservancy and hydropower engineering, and building electromechanical installation engineering; Assembly and sales of electronic products; Promotion services for energy-saving technologies; Information technology consulting services; Sales of hardware products and ordinary mechanical equipment; Import and export of goods and technology (excluding goods and technology prohibited by the state or involving administrative approval), as well as other projects that are not prohibited or do not require business licenses according to laws, regulations, State Council decisions, and other provisions. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Time Difference Flowmeter, Dual Control Of Well And Electricity, Integrated Gate

TOP4
Hangzhou Liyu Ultrasonic Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2016-11-04
Registered Capital1000K CNY

Hangzhou Liyu Ultrasonic Technology Co., Ltd., registered at Room 417, Building 4, Xinyun Times Jinzuo, Shangcheng District, Hangzhou City, Zhejiang Province, is registered with the Market Supervision Administration of Shangcheng District, Hangzhou City. The legal representative is Zou Yingxiang, and the business scope includes general projects such as technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Electronic product sales; Sales of communication equipment; Sales of optical communication equipment; Sales of security equipment; Sales of instruments and meters; Sales of metal products; Sales of electrical equipment; Sales of electronic components and electromechanical equipment; Installation services for ordinary mechanical equipment; Software development; Sales of industrial control computers and systems (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: Time Difference Flowmeter, Distance Measuring Transducer, Doppler Principle Transducer

TOP5
Tangshan Fengrui Instrument Co., Ltd
Overall Score4.6 / 5
Est. Date2007-02-08
Registered Capital10000K CNY

Tangshan Fengrui Instrument Co., Ltd., with its registered address at No. 2010 Baoshengchang Square, Lunan District, Tangshan City, Hebei Province, is registered with the Market Supervision and Administration Bureau of Lunan District, Tangshan City. The legal representative is Du Haifang, and its business scope includes instrument design, research and development, transfer, and technical consulting (excluding administrative licensing projects); Computer system services; Wholesale and retail of general and specialized mechanical equipment, hardware, electrical equipment, electronic products, instruments and meters, electrical machinery, wires and cables, insulation materials, rubber and plastic products, ceramic products, building materials (excluding lime and wood), stationery supplies, daily necessities, clothing, shoes and hats * (business activities that require approval by law can only be carried out after approval by relevant departments). Core products: Time Difference Flowmeter, Vortex Flow Meter, Turbine Flowmeter, Gas Turbine Flowmeter

TOP6
Qingdao Xinchang Environmental Protection Technology Co., Ltd
Overall Score4.5 / 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: Time Difference Flowmeter, Open Channel Flowmeter, Ion Chromatography Column

TOP7
Anhui Tiankang (Group) Co., Ltd
Overall Score4.5 / 5
Est. Date1998-07-31
Registered Capital613760K CNY

Anhui Tiankang (Group) Co., Ltd., registered at No. 20 Renhe South Road, Tianchang City, Anhui Province (with multiple addresses), registered with the Market Supervision Administration of Chuzhou City, with Zhao Kuan as the legal representative. Its business scope includes licensed projects such as wire and cable manufacturing; Manufacturing of special equipment; Construction project construction; Installation, maintenance, and testing of power transmission, supply, and receiving facilities; Retail of pesticides; Wholesale of pesticides (projects that require approval by law can only be carried out after approval by relevant departments, and specific business projects are subject to approval documents or licenses from relevant departments) General projects: operation of wires and cables; Fiber optic cable manufacturing; Fiber optic cable sales; Manufacturing of instruments and meters; Sales of instruments and meters; Manufacturing of intelligent instruments and meters; Sales of intelligent instruments and meters; Sales of special equipment; Manufacturing of industrial automatic control system devices; Sales of industrial automatic control system devices; Manufacturing of mechanical and electrical equipment; Sales of mechanical and electrical equipment; Manufacturing of metal structures; Sales of metal structures; Manufacturing of distribution switch control equipment; Sales of distribution switch control equipment; Manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); Sales of valves and plugs; Sales of pumps and vacuum equipment; Bearing manufacturing; Bearing sales; Manufacturing of electrical accessories; Sales of electrical accessories; Manufacturing of pneumatic power machinery and components; Sales of pneumatic power machinery and components; Manufacturing of hydraulic power machinery and components; Sales of hydraulic power machinery and components; Manufacturing of general components; Manufacturing of other general instruments; Mechanical parts and component processing; Sales of mechanical parts and components; Agricultural machinery manufacturing; Sales of agricultural machinery; Research and development of intelligent robots; Sales of intelligent robots; Battery manufacturing; Battery sales; Manufacturing of photovoltaic equipment and components; Sales of photovoltaic equipment and components; Sales of new energy vehicles as a whole; Sales of electric accessories for new energy vehicles; Manufacturing of power transmission, distribution and control equipment; Sales of intelligent power transmission and distribution and control equipment; Production of daily masks (non-medical); Sales of daily masks (non-medical); Production of protective equipment for medical staff (Class I medical devices); Wholesale of protective equipment for medical staff; Sales of Class II medical devices; Research and development of Internet of Things technology; Manufacturing of IoT devices; Sales of IoT devices; Sales of railway transportation infrastructure equipment; Import and export of goods; Fertilizer sales (except for licensed businesses, can independently operate projects that are not prohibited or restricted by laws and regulations). Core products: Time Difference Flowmeter, Electromagnetic Flowmeter, Pressure Transmitter

TOP8
Jiangsu Keluojia Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2022-05-17
Registered Capital10000K CNY

Jiangsu Keluojia Technology Co., Ltd., registered at No. 12 Gexi New Village, Gecun, Guozhuang Town, Jurong City, Zhenjiang City, registered with the Jurong Administrative Approval Bureau, with Liu Qiaojing as the legal representative. Its business scope includes general projects such as instrument manufacturing; Manufacturing of atmospheric pollution monitoring and detection instruments and meters; Wastewater treatment and its recycling; Manufacturing of hardware products; Retail of hardware products; Research and development of hardware products; Wholesale of hardware products; Manufacturing of electrical accessories; Manufacturing of household appliances; Sales of household appliances; Sales of electrical accessories; Electrical equipment repair; Sales of electrical equipment; Sales of electrical signal equipment devices; Manufacturing of mechanical and electrical equipment; Manufacturing of electronic components and electromechanical equipment; Manufacturing of power electronic components; Manufacturing of electronic components; Wholesale of electronic components; Retail of electronic components; Sales of power electronic components; Sales of mechanical equipment; Mechanical equipment research and development; Installation services for ordinary mechanical equipment; Mechanical equipment leasing; Sales of communication equipment; Repair of communication equipment; Manufacturing of metal structures; Manufacturing of metal materials; Sales of metal materials; Sales of metal structures; Wholesale of computer software, hardware, and auxiliary equipment; Manufacturing of computer software, hardware, and peripheral devices; Office services (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: Time Difference Flowmeter, Radar Flow Meter, Doppler Flowmeter

TOP9
Qingdao Hengchang Shengxu Environmental Protection Technology Co., Ltd
Overall Score4.4 / 5
Est. Date2024-07-04
Registered Capital5000K CNY

Qingdao Hengchang Shengxu Environmental Protection Technology Co., Ltd., with its registered address at Room 1201-2, Building 3, Innovation Park, No. 130-145 Jiushui East Road, Licang District, Qingdao City, Shandong Province, is registered with the Market Supervision Administration of Licang District, Qingdao City. The legal representative is Wang Zhaomin, and the business scope includes general projects such as 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: Time Difference Flowmeter, Laboratory, Smoke And Dust

TOP10
Anhui Tiankang (Group) Co., Ltd
Overall Score4.4 / 5
Est. Date1998-07-31
Registered Capital613760K CNY

Anhui Tiankang (Group) Co., Ltd., registered at No. 20 Renhe South Road, Tianchang City, Anhui Province (with multiple addresses), registered with the Market Supervision Administration of Chuzhou City, with Zhao Kuan as the legal representative. Its business scope includes licensed projects such as wire and cable manufacturing; Manufacturing of special equipment; Construction project construction; Installation, maintenance, and testing of power transmission, supply, and receiving facilities; Retail of pesticides; Wholesale of pesticides (projects that require approval by law can only be carried out after approval by relevant departments, and specific business projects are subject to approval documents or licenses from relevant departments) General projects: operation of wires and cables; Fiber optic cable manufacturing; Fiber optic cable sales; Manufacturing of instruments and meters; Sales of instruments and meters; Manufacturing of intelligent instruments and meters; Sales of intelligent instruments and meters; Sales of special equipment; Manufacturing of industrial automatic control system devices; Sales of industrial automatic control system devices; Manufacturing of mechanical and electrical equipment; Sales of mechanical and electrical equipment; Manufacturing of metal structures; Sales of metal structures; Manufacturing of distribution switch control equipment; Sales of distribution switch control equipment; Manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); Sales of valves and plugs; Sales of pumps and vacuum equipment; Bearing manufacturing; Bearing sales; Manufacturing of electrical accessories; Sales of electrical accessories; Manufacturing of pneumatic power machinery and components; Sales of pneumatic power machinery and components; Manufacturing of hydraulic power machinery and components; Sales of hydraulic power machinery and components; Manufacturing of general components; Manufacturing of other general instruments; Mechanical parts and component processing; Sales of mechanical parts and components; Agricultural machinery manufacturing; Sales of agricultural machinery; Research and development of intelligent robots; Sales of intelligent robots; Battery manufacturing; Battery sales; Manufacturing of photovoltaic equipment and components; Sales of photovoltaic equipment and components; Sales of new energy vehicles as a whole; Sales of electric accessories for new energy vehicles; Manufacturing of power transmission, distribution and control equipment; Sales of intelligent power transmission and distribution and control equipment; Production of daily masks (non-medical); Sales of daily masks (non-medical); Production of protective equipment for medical staff (Class I medical devices); Wholesale of protective equipment for medical staff; Sales of Class II medical devices; Research and development of Internet of Things technology; Manufacturing of IoT devices; Sales of IoT devices; Sales of railway transportation infrastructure equipment; Import and export of goods; Fertilizer sales (except for licensed businesses, can independently operate projects that are not prohibited or restricted by laws and regulations). Core products: Time Difference Flowmeter, Armored Thermistor, Integrated Thermocouple

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Nanjing Ouka Instrument Co., Ltd2016-05-15Time Difference Flowmeter, Time Difference Method Ultrasonic Open Channel Flowmeter, Hydrological Flowmeter1110K CNYNot Supported
Shandong Sancheng Smart Agriculture Technology Co., Ltd2021-11-05Time Difference Flowmeter, Integrated Rainwater Monitoring Station, Ultrasonic Channel Flow Measurement Box50010K CNYNot Supported
Shandong Oubiao Information Technology Co., Ltd2014-03-28Time Difference Flowmeter, Dual Control Of Well And Electricity, Integrated Gate30000K CNYNot Supported
Hangzhou Liyu Ultrasonic Technology Co., Ltd2016-11-04Time Difference Flowmeter, Distance Measuring Transducer, Doppler Principle Transducer1000K CNYNot Supported
Tangshan Fengrui Instrument Co., Ltd2007-02-08Time Difference Flowmeter, Vortex Flow Meter, Turbine Flowmeter, Gas Turbine Flowmeter10000K CNYNot Supported
Qingdao Xinchang Environmental Protection Technology Co., Ltd2024-07-04Time Difference Flowmeter, Open Channel Flowmeter, Ion Chromatography Column5000K CNYNot Supported
Anhui Tiankang (Group) Co., Ltd1998-07-31Time Difference Flowmeter, Electromagnetic Flowmeter, Pressure Transmitter613760K CNYNot Supported
Jiangsu Keluojia Technology Co., Ltd2022-05-17Time Difference Flowmeter, Radar Flow Meter, Doppler Flowmeter10000K CNYNot Supported
Qingdao Hengchang Shengxu Environmental Protection Technology Co., Ltd2024-07-04Time Difference Flowmeter, Laboratory, Smoke And Dust5000K CNYNot Supported
Anhui Tiankang (Group) Co., Ltd1998-07-31Time Difference Flowmeter, Armored Thermistor, Integrated Thermocouple613760K CNYNot Supported

Knowledge Base

Q

Ultrasonic flowmeter differential method is a commonly used flow measurement method, in which the time difference of ultrasonic propagation in the fluid is used to calculate the flow velocity. This article will introduce the principle, advantages and disadvantages, and application scenarios of the ultrasonic flowmeter timing difference method.

Q

This article introduces the main classifications of time difference flow meters, including ultrasonic, laser, and acoustic Doppler types. Elaborate on various working principles and application scenarios to help readers understand the characteristics and scope of application of different types. Time difference flowmeter is an instrument that calculates flow by measuring the difference in signal propagation time in a fluid, and is widely used in industrial process control

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