Updated Jul 17, 2026 · Public platform & industry data

Jul 17, 2026 Updated

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2026 Top 10 Insulation Tester Manufacturers in China

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

The top 10 Insulation Tester manufacturers in China for 2026 are: Changzhou Tonghui Electronics Co., Ltd, Jiangsu Ankerui Electric Appliance Manufacturing Co., Ltd, Jiangsu Kangbang Medical Technology Co., Ltd, Jinan Youtian Machinery Equipment Co., Ltd, Dalian Tongce Instrument Co., Ltd, Anhui Yahui Electrical Automation Co., Ltd, Hefei Dingge Electric Power Technology Co., Ltd, Shenzhen Lemaiyi Electronics Co., Ltd, Hebei Guangda Electric Co., Ltd, Hefei Xinsuo IoT 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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Changzhou Tonghui Electronics Co., Ltd
Overall Score4.9 / 5
Est. Date1994-04-29
Registered Capital160305.696K CNY

Changzhou Tonghui Electronics Co., Ltd., with its registered address at No. 1 Xinzhu Road, Xinbei District, Changzhou City, is registered with the Changzhou Municipal Government Service Management Office. The legal representative is Zhao Haohua, and its business scope includes general projects: manufacturing of specialized electrical machinery equipment; Manufacturing of electrical instruments and meters; Sales of electrical instruments and meters; Manufacturing of instruments and meters; Sales of instruments and meters; Instrument and meter repair; Manufacturing of electronic measuring instruments; Sales of electronic measuring instruments; Manufacturing of electronic components; Electronic product sales; Manufacturing of power electronic components; Sales of power electronic components; Manufacturing of electronic components and electromechanical equipment; Sales of electronic components and electromechanical equipment; Manufacturing of electronic specialized materials; Sales of electronic specialized materials; Manufacturing of electronic specialized equipment; Sales of electronic specialized equipment; Manufacturing of terminal measuring equipment; Sales of terminal measuring equipment; Scale manufacturing; Scale sales; Measurement technology services; Mold manufacturing; Mold sales; Mechanical parts and component processing; Manufacturing of general components; Sales of metal materials; Sales of building materials; Sales of building decoration materials; Import and export of goods; Technology import and export; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Information technology consulting services; Software development; Software sales; Rental services (excluding licensed rental services) (except for projects that require approval according to law, operating activities can be carried out independently based on the business license in accordance with the law). Core products: Insulation Tester, Digital Power Meter, Tester

Top 2
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Jiangsu Ankerui Electric Appliance Manufacturing Co., Ltd
Overall Score4.7 / 5
Est. Date2004-12-14
Registered Capital326860.2K CNY

Jiangsu Ankerui Electric Appliance Manufacturing Co., Ltd., registered at No. 5 ASEAN Road, Nanzha Street, Jiangyin City (business premises: No. 31 Hongtu Road, Nanzha Street, Jiangyin City), registered with Jiangyin Data Bureau, with Zhou Zhong as the legal representative, and its business scope includes general projects: manufacturing of electrical instruments and meters; Sales of electrical instruments and meters; Manufacturing of specialized instruments and meters for environmental monitoring; Sales of specialized instruments and meters for environmental monitoring; Manufacturing of supply instruments and meters; Sales of supply instruments and meters; Manufacturing of transformers, rectifiers, and inductors; Battery manufacturing; Battery sales; Manufacturing of communication equipment; Sales of communication equipment; Manufacturing of lighting fixtures; Sales of lighting fixtures; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of photovoltaic equipment and components; Manufacturing of IoT devices; Sales of IoT devices; Manufacturing of photovoltaic equipment and components; Manufacturing of industrial automatic control system devices; Research and development of Internet of Things technology; Sales of industrial automatic control system devices; Electronic product sales; Sales of advanced power electronic devices; Internet of Things technology services; Software development; Software sales; Manufacturing of power transmission, distribution and control equipment; Sales of intelligent power transmission and distribution and control equipment; Research and development of distribution switch control equipment; Manufacturing of distribution switch control equipment; Sales of distribution switch control equipment; Industrial Internet data service; Research and development of emerging energy technologies; Sales of electric accessories for new energy vehicles; Energy storage technology services; Sales of charging stations; Information system integration services; Intelligent control system integration; Research and development of online energy monitoring technology; Operational efficiency evaluation service; Development of intelligent water management system; Fire technology services; Technology import and export; Import and export of goods; Internet of Things application services; Information system operation and maintenance services; Information technology consulting services; Computer system services; Engineering management services; Energy saving management services; Engineering and technical services (excluding planning management, survey, design, and supervision); Contract energy management (except for projects that require approval according to law, conducting business activities independently based on the business license in accordance with the law). Core products: Insulation Tester, Microcomputer Protection Device, Current Hall Sensor

Top 3
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Jiangsu Kangbang Medical Technology Co., Ltd
Overall Score4.7 / 5
Est. Date2020-06-16
Registered Capital10000K CNY

Jiangsu Kangbang Medical Technology Co., Ltd., registered at Building A, 1-3F, Phase III Standard Factory Building, Lishizhen Road Medical Equipment Zone, Taizhou Medical High tech Zone, registered with the Taizhou Medical High tech Zone (Gaogang District) Administrative Approval Bureau, with Yang Xiaoxiang as the legal representative. Its business scope includes licensed projects such as the production of Class II medical devices; Internet information service for medical devices; Import and export of goods; Technology import and export; Import and export agency (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 Class II medical devices; Production of Class I medical devices; Sales of Class I medical devices; Software development; Manufacturing of metal structures; Research and development of metal products; Manufacturing of computer software, hardware, and peripheral devices; Manufacturing of electronic components; Retail of electronic components; General equipment manufacturing (excluding special equipment manufacturing); Manufacturing of specialized machinery and equipment for water resources (except for projects that require approval according to law, conducting business activities independently with a business license in accordance with the law). Core products: Insulation Tester, Endoscopic Cleaning Workstation, Medical Packaging Table

TOP4
Jinan Youtian Machinery Equipment Co., Ltd
Overall Score4.6 / 5
Est. Date2019-04-08
Registered Capital5000K CNY

Jinan Youtian Machinery Equipment Co., Ltd. is registered at 2320 Mingzhu Yihe Business Port, No. 88 Jingyi Road, Daguanyuan Street, Shizhong District, Jinan City, Shandong Province. The registration authority is the Market Supervision Administration of Shizhong District, Jinan City, and the legal representative is Zhang Mingzhe. The business scope includes licensed projects such as import and export of goods. (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 projects: sales of mechanical equipment; Sales of instruments and meters; Retail of hardware products; Electronic product sales; Sales of chemical products (excluding licensed chemical products); Retail of computer software, hardware, and auxiliary equipment; Sales of Class I medical devices; Sales of Class II medical devices. (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: Insulation Tester, Switch, Capacitance

TOP5
Dalian Tongce Instrument Co., Ltd
Overall Score4.6 / 5
Est. Date2008-09-08
Registered Capital5000K CNY

Dalian Tongce Instrument Co., Ltd., registered at No. 22-5 Lianxing Lane, Shahekou District, Dalian City, Liaoning Province, registered with the Market Supervision and Administration Bureau of Shahekou District, Dalian City, with Zhang Dayou as the legal representative. Its business scope includes the sales of instruments and meters, electromechanical equipment, hardware and chemical products, and electronic components (excluding special approvals); Research and development of instrumentation technology and related technical consulting services; Instrument and meter maintenance; Import and export of goods and technology (excluding projects prohibited by laws and regulations; projects restricted by laws and regulations can only be operated after obtaining a license) * * (Projects that require approval by law can only be operated after approval by relevant departments.). Core products: Insulation Tester, Oscilloscope, Frequency Counter/Timer

TOP6
Anhui Yahui Electrical Automation Co., Ltd
Overall Score4.5 / 5
Est. Date2008-07-21
Registered Capital30000K CNY

Anhui Yahui Electrical Automation Co., Ltd., with its registered address located on the east side of Building B-4, Gongtou Liheng Industrial Plaza, Fanhua Avenue, Economic Development Zone, Feixi County, Hefei City, Anhui Province, is registered with the Feixi County Market Supervision and Administration Bureau. The legal representative is Zhang Ling, and the business scope includes the research and development, production, sales, and technical services of power automation products, high and low voltage electrical appliances, electronic component products, mechanical accessories, household appliances, and computer software and hardware products; Mechanical and electrical installation. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Insulation Tester, Low Residual Voltage Protection Cabinet,

TOP7
Hefei Dingge Electric Power Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2010-04-28
Registered Capital10000K CNY

Hefei Dingge Electric Power Technology Co., Ltd., with its registered address at Room 1604, Tianqing Building, No. 135 Bozhou Road, Luyang District, Hefei City, Anhui Province, is registered with the Market Supervision Administration of Luyang District, Hefei City. The legal representative is Zhou Xingkui, and its business scope includes research and sales of high and low voltage switchgear, switchgear, power protection equipment, wires and cables, electromechanical components, electronic products, communication equipment, and new materials; Sales, installation, maintenance, and technical services for motors, refrigeration equipment, mechanical equipment, and water pumps. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Insulation Tester, Overvoltage Protector, Mechanical Characteristic Testing

TOP8
Shenzhen Lemaiyi Electronics Co., Ltd
Overall Score4.5 / 5
Est. Date2009-09-16
Registered Capital5000K CNY

Shenzhen Lemaiyi Electronics Co., Ltd., with its registered address at 1805, south of Jinhao Building, No. 109, Fuyong Section, Guangshen Road, Fenghuang Community, Fuyong Street, Bao'an District, Shenzhen, is registered with the Shenzhen Market Supervision Administration. The legal representative is Du Quanjun, and the business scope includes the sales and technical development of instruments, testing equipment, measuring tools, analytical instruments, hardware tools, and instrument accessories (excluding production and processing); On site maintenance of instruments; Manage e-commerce, domestic trade, and import and export business. ^Wholesale and retail of masks, protective clothing, goggles, disinfectant, infrared thermometers, thermometers, Class I medical equipment products, and Class II medical equipment products.. Core products: Insulation Tester, Safety Regulations, Electrical Accessory Testing Instruments And Equipment, Electric Power And Electrical Instruments And Meters

TOP9
Hebei Guangda Electric Co., Ltd
Overall Score4.4 / 5
Est. Date2016-03-09
Registered Capital3000K CNY

Hebei Guangda Electric Co., Ltd., located in Xijiuguan, Shaheqiao Town, Hejian City, Cangzhou City, Hebei Province, was established on March 9, 2016. The registration authority is the Hejian Market Supervision Administration, and the legal representative is Song Meijun. Core products: Insulation Tester, Disconnecting Switch,

TOP10
Hefei Xinsuo IoT Technology Co., Ltd
Overall Score4.4 / 5
Est. Date2018-01-19
Registered Capital1000K CNY

Hefei Xinsuo IoT Technology Co., Ltd., registered at No. 381 Feicui Road, Taohua Industrial Park, Hefei Economic and Technological Development Zone, Anhui Province, with the registration authority of Feixi County Market Supervision Administration and the legal representative of Ning Renfei. Its business scope includes the technical development, consulting, service, promotion, and transfer of IoT technology and software technology; Sales, leasing, debugging, installation, maintenance, and technical services of smart door lock systems and smart home devices, production, sales, and leasing of anti-theft door locks, anti-theft doors, and safes, and technical development of communication terminal equipment; Sales and leasing of communication terminal equipment and data products; System integration; Network engineering; Enterprise informatization; Development and integration of communication systems; Development and integration of automation control systems; Automation engineering; Software sales, technical support, and technical services; E-commerce and real estate agency services; Business services. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Insulation Tester, Motor Insulation Monitoring, Wireless Temperature Measuring Device

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Changzhou Tonghui Electronics Co., Ltd1994-04-29Insulation Tester, Digital Power Meter, Tester160305.696K CNYNot Supported
Jiangsu Ankerui Electric Appliance Manufacturing Co., Ltd2004-12-14Insulation Tester, Microcomputer Protection Device, Current Hall Sensor326860.2K CNYNot Supported
Jiangsu Kangbang Medical Technology Co., Ltd2020-06-16Insulation Tester, Endoscopic Cleaning Workstation, Medical Packaging Table10000K CNYNot Supported
Jinan Youtian Machinery Equipment Co., Ltd2019-04-08Insulation Tester, Switch, Capacitance5000K CNYNot Supported
Dalian Tongce Instrument Co., Ltd2008-09-08Insulation Tester, Oscilloscope, Frequency Counter/Timer5000K CNYNot Supported
Anhui Yahui Electrical Automation Co., Ltd2008-07-21Insulation Tester, Low Residual Voltage Protection Cabinet, 30000K CNYNot Supported
Hefei Dingge Electric Power Technology Co., Ltd2010-04-28Insulation Tester, Overvoltage Protector, Mechanical Characteristic Testing10000K CNYNot Supported
Shenzhen Lemaiyi Electronics Co., Ltd2009-09-16Insulation Tester, Safety Regulations, Electrical Accessory Testing Instruments And Equipment, Electric Power And Electrical Instruments And Meters5000K CNYNot Supported
Hebei Guangda Electric Co., Ltd2016-03-09Insulation Tester, Disconnecting Switch, 3000K CNYNot Supported
Hefei Xinsuo IoT Technology Co., Ltd2018-01-19Insulation Tester, Motor Insulation Monitoring, Wireless Temperature Measuring Device1000K CNYNot Supported

Purchasing Guide

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

  • For procurement requirements that require the use of insulation detectors, it is recommended to prioritize checking key technical parameters such as voltage measurement range, accuracy level, and response time to ensure compatibility with power system or equipment testing requirements.
  • In the maintenance scenarios of industrial substations or new energy equipment, attention should be paid to the protection level and anti-interference ability of insulation detectors to adapt to long-term stable operation in complex environments.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and enterprises with industry data support or platform statistical information to balance technical adaptability and cooperation reliability.
  • For insulation status monitoring of high-voltage cables or energy storage systems, it is recommended to choose models with multi range switching function and data storage capability for flexible application in different scenarios.

Knowledge Base

Q

Insulation detectors play a crucial role in fields such as power systems, industrial equipment, and building electrical systems. Its main function is to measure the insulation resistance of electrical equipment or circuits to determine whether there are safety hazards such as leakage and short circuits. Choosing the right insulation detector can not only improve detection efficiency, but also effectively ensure personnel safety and stable equipment operation. Therefore, when choosing insulation

Q

This article introduces the working principle, application scenarios, and technical advantages of Gongyuan Technology's high-voltage DC insulation detector, helping readers understand its important role and unique value in the power system.

Q

Insulation tester (also known as insulation tester, insulation meter, insulation resistance tester or megohmmeter) is an instrument used to measure and evaluate the insulation performance of electrical equipment. It checks the insulation resistance value of electrical equipment to determine whether the insulation state of the equipment is good, thereby ensuring the safe operation of the equipment. The following is a detailed introduction to the insulation tester: 1、 Definition and Classification cease

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