Updated Sep 10, 2026 · Public platform & industry data

Sep 10, 2026 Updated

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2026 Top 10 Relay Protection Meter Manufacturers in China

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Top-rated Relay Protection Meter suppliers, How to choose a Relay Protection Meter manufacturer, Best Relay Protection Meter companies in China

The top 10 Relay Protection Meter manufacturers in China for 2026 are: Dongguan Huanyi Instrument Technology Co., Ltd, Shandong Huayu Heavy Industry Machinery Co., Ltd, Wuhan Guodian Huamei Electrical Equipment Co., Ltd, Jiangsu Huaao Electric Technology Co., Ltd, Hongmeng Electric Power (Wuhan) Co., Ltd, Yangzhou Haotai Electric Power Technology Co., Ltd, Yangzhou Xijun Electric Co., Ltd, Qingdao Zhong'an Ruike Intelligent Technology Co., Ltd, Qingdao Aohaiyuan International Trade Co., Ltd, Hubei Wugao Electric Power New 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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Dongguan Huanyi Instrument Technology Co., Ltd
Overall Score4.9 / 5
Est. Date2007-03-20
Registered Capital10000K CNY

Dongguan Huanyi Instrument Technology Co., Ltd., registered at Room 101 and Room 201, Building 2, No. 3 Longkeng Xingye Road, Dongkeng Town, Dongguan City, Guangdong Province, with the registration authority of Dongguan Market Supervision Administration and the legal representative of Liu Yao, engages in research and development, production, and sales of testing instruments, meters, hardware products, electrical appliances, electronic materials, and general machinery and equipment; Maintenance and installation: testing instruments, meters, and electrical appliances; Mechanical equipment leasing; Import and export of goods or technology (excluding goods and technology prohibited by the state or subject to administrative approval). (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Relay Protection Meter, Humidity Chamber , Three Comprehensive Test Chamber

Top 2
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Shandong Huayu Heavy Industry Machinery Co., Ltd
Overall Score4.7 / 5
Est. Date2020-12-17
Registered Capital5000K CNY

Shandong Huayu Heavy Industry Machinery Co., Ltd. is located at No. 2213, 22nd floor, Unit 01, Block E, Zhongde Plaza, Liying Street, Rencheng District, Jining City, Shandong Province. It was established on December 17, 2020, and registered with the Market Supervision Administration of Rencheng District, Jining City. The legal representative is Xin Yanxia. Core products: Relay Protection Meter

Top 3
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Wuhan Guodian Huamei Electrical Equipment Co., Ltd
Overall Score4.7 / 5
Est. Date2008-01-28
Registered Capital30000K CNY

Wuhan Guodian Huamei Electrical Equipment Co., Ltd., with its registered address at Building A25, Phase I, Wuhan Mold Industrial Park, Hannan Economic Development Zone, Wuhan City. The registration authority is the Administrative Approval Bureau of Wuhan Economic and Technological Development Zone (Hannan District), and the legal representative is Li Wubing. Its business scope includes licensed projects such as building intelligent system design; Construction project construction; Electrical installation services (projects that require approval by law and can only be carried out after approval by relevant departments. Specific business projects are subject to approval documents or licenses from relevant departments) General projects: manufacturing of testing machines; Manufacturing of electronic measuring instruments; General equipment manufacturing (excluding special equipment manufacturing); Manufacturing of mechanical and electrical equipment; Manufacturing of electric dynamometer motors; Manufacturing of instruments and meters; Manufacturing of hardware products; Sales of testing machines; Sales of electronic measuring instruments; Sales of communication equipment; Sales of mechanical equipment; Sales of electrical equipment; Sales of electric dynamometer motors; Sales of electronic specialized equipment; Sales of instruments and meters; Wholesale of hardware products; Retail of hardware products; Wholesale of computer software, hardware, and auxiliary equipment; Retail of computer software, hardware, and auxiliary equipment; Electronic product sales; Sales of office equipment; Sales of office equipment and consumables; Sales of specialized teaching instruments; Sales of audio equipment; Furniture sales; Graphic and textual design and production; Graphic Artist Designer; Professional design services; Information system integration services; Electrical equipment repair; Mechanical equipment leasing; Rental services (excluding licensed rental services); Import and export of goods; Technology import and export (except for licensed businesses, can independently operate projects that are not prohibited or restricted by laws and regulations). Core products: Relay Protection Meter, Test Transformer Series, High Current Series

TOP4
Jiangsu Huaao Electric Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2016-06-06
Registered Capital10080K CNY

Jiangsu Huaao Electric Technology Co., Ltd., with its registered address at Xingyuan 1st Road, Chengnan Industrial Concentration Zone, Baoying County, registered with Baoying County Data Bureau, and represented by Zhou Xuan as its legal representative. Its business scope includes electrical technology development; Processing, manufacturing, and sales of tensile testing machines, test transformers and accessories, high-voltage detection instruments, sliding contact wires, busbars, heaters, cable fault testers, mine heating transmission systems, and solar heating transmission systems; Installation, maintenance, testing, operation and maintenance, and engineering consulting of power engineering; Sales of cable trays, insulation materials, instruments and meters, wires and cables, hardware, and electromechanical products. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Relay Protection Meter, Circuit Breaker Switch Detection Category, High Current Generator

TOP5
Hongmeng Electric Power (Wuhan) Co., Ltd
Overall Score4.6 / 5
Est. Date2019-12-12
Registered Capital32000K CNY

Hongmeng Electric Power (Wuhan) Co., Ltd., with its registered address at 5th Floor, Building 6, Jinyinhu Science and Technology Park, No. 88 Huanhu Middle Road, Dongxihu District, Wuhan City, Hubei Province, is registered with the Market Supervision and Administration Bureau of Dongxihu District, Wuhan City. The legal representative is Rong Qiancheng. Its business scope includes general projects such as engineering and technical research and development, electronic measuring instrument manufacturing, electrical instrument manufacturing, instrument sales, mechanical and electrical equipment manufacturing, power facility equipment manufacturing, experimental analysis instrument manufacturing, online energy monitoring technology research and development, electronic measuring instrument sales, electrical equipment repair, transformer, rectifier and inductor manufacturing, hardware product wholesale, goods import and export, technology import and export, technical services, technical development, technical consulting, technical exchange, technology transfer, and technology promotion. (Except for licensed businesses, it is allowed to independently operate projects that are not prohibited or restricted by laws and regulations.) Licensed projects: installation, maintenance, and testing of power transmission, power supply, and receiving facilities. (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: Relay Protection Meter, Sulfur Hexafluoride Gas Return, Intelligent Phase Sequence Indicator

TOP6
Yangzhou Haotai Electric Power Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2014-04-23
Registered Capital10180K CNY

Yangzhou Haotai Electric Power Technology Co., Ltd., with its registered address at No. 8 Century Avenue, Industrial Concentration Zone, Liubao Town, Baoying County, registered with the Baoying County Administrative Approval Bureau, and represented by Zhang Wenzhong as its legal representative. Its business scope includes research and development, processing, and sales of high-voltage detection equipment, testing instruments and meters, automation control systems, sliding wires, oil filters, and electric heating appliances; Sales of cables and insulation materials. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments) General project: sales of mica products; Mechanical equipment leasing; Sales of special ceramic products; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; General equipment repair; Specialized equipment repair; Electrical equipment repair; Maintenance of electronic and mechanical equipment (excluding special equipment); Installation services for ordinary mechanical equipment; Measurement technology 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: Relay Protection Meter, No Partial Discharge Test Transformer, Dc Resistance Tester

TOP7
Yangzhou Xijun Electric Co., Ltd
Overall Score4.5 / 5
Est. Date2015-08-10
Registered Capital1180K CNY

Yangzhou Xijun Electric Co., Ltd., with its registered address at S8-1-309 Wuyue Plaza, Xincheng, Baoying County, is registered with the Baoying County Administrative Approval Bureau and represented by Lu Guihua. Its business scope includes high-voltage testing instruments, electric heating appliances, cable trays, sliding contact wires, busbars, and electrical equipment processing, manufacturing, and sales; Sales of insulation materials, environmentally friendly dust removal bags and accessories, metallurgical accessories, metallurgical materials, dust collectors and accessories, polyimide film, silicon iron, silicon manganese, ferroalloys, safety tools, hardware tools, oil filters, gas detection equipment, and labor protection supplies; Equipment leasing services; Installation, maintenance, and testing of power supply and receiving facilities; Construction equipment installation services; Network equipment maintenance; Technical services, debugging, and installation of power equipment; Import and export business of various commodities and technologies through self operation and agency, except for 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: Relay Protection Meter, Digital Cable Fault Detector, Instantaneous Grounding Recorder

TOP8
Qingdao Zhong'an Ruike Intelligent Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2023-02-20
Registered Capital100K CNY

Qingdao Zhong'an Ruike Intelligent Technology Co., Ltd., registered at Room 053, 1st Floor, Building 2, No. 571 Chongqing Road, Fengtai Street Office, Pingdu City, Qingdao City, Shandong Province (centralized office area), registered with the Pingdu Market Supervision Administration, with Sun Zemin as the legal representative. Its business scope includes general projects such as technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Optoelectronic device manufacturing [branch operation]; Sales of optoelectronic devices; Wholesale of electronic components; Retail of electronic components; Sales of electronic specialized 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: Relay Protection Meter, Battery Internal Conductivity Tester, Measurement Calibration And Verification Device

TOP9
Qingdao Aohaiyuan International Trade Co., Ltd
Overall Score4.4 / 5
Est. Date2014-02-26
Registered Capital1000K CNY

Qingdao Aohaiyuan International Trade Co., Ltd., with its registered address at No. 161 Changjiang West Road, Huangdao District, Qingdao City, Shandong Province, is registered with the Market Supervision Administration of Huangdao District, Qingdao City. The legal representative is Zhang Yanhai, and its business scope includes wholesale and retail of hardware and building materials, communication equipment (excluding satellite TV broadcasting ground receiving facilities), electronic products, measuring tools, computer accessories, metal materials (excluding precious metals), primary agricultural products, and mechanical equipment; Import and export of goods and technology; Operate other general business projects that do not require administrative approval. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Relay Protection Meter, Communication Equipment, Physical And Chemical Analysis

TOP10
Hubei Wugao Electric Power New Technology Co., Ltd
Overall Score4.4 / 5
Est. Date2005-08-26
Registered Capital10000K CNY

Hubei Wugao Electric Power New Technology Co., Ltd., registered at No. 219 Guanggu 2nd Road, Donghu New Technology Development Zone, Wuhan City, Dingjie Modern Electromechanical Information Incubation Park Phase I, Building 16, 6th Floor, No. 1, registered with the Market Supervision and Administration Bureau of Wuhan Donghu New Technology Development Zone, with Li Liping as the legal representative. Its business scope includes general projects such as the production, research and development, technology development, wholesale and retail of power testing equipment and instruments; Installation of electrical equipment; Computer system integration, design, and installation; Import and export of goods (excluding goods prohibited or restricted by the state). (For licensed business projects, relevant department licenses must be obtained before operation) (Except for licensed businesses, projects that are not prohibited or restricted by laws and regulations can be operated independently in accordance with the law). Core products: Relay Protection Meter, Withstand Voltage Test, Wireless Nuclear Phase Analyzer

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Dongguan Huanyi Instrument Technology Co., Ltd2007-03-20Relay Protection Meter, Humidity Chamber , Three Comprehensive Test Chamber10000K CNYNot Supported
Shandong Huayu Heavy Industry Machinery Co., Ltd2020-12-17Relay Protection Meter5000K CNYNot Supported
Wuhan Guodian Huamei Electrical Equipment Co., Ltd2008-01-28Relay Protection Meter, Test Transformer Series, High Current Series30000K CNYNot Supported
Jiangsu Huaao Electric Technology Co., Ltd2016-06-06Relay Protection Meter, Circuit Breaker Switch Detection Category, High Current Generator10080K CNYSupported
Hongmeng Electric Power (Wuhan) Co., Ltd2019-12-12Relay Protection Meter, Sulfur Hexafluoride Gas Return, Intelligent Phase Sequence Indicator32000K CNYNot Supported
Yangzhou Haotai Electric Power Technology Co., Ltd2014-04-23Relay Protection Meter, No Partial Discharge Test Transformer, Dc Resistance Tester10180K CNYSupported
Yangzhou Xijun Electric Co., Ltd2015-08-10Relay Protection Meter, Digital Cable Fault Detector, Instantaneous Grounding Recorder1180K CNYNot Supported
Qingdao Zhong'an Ruike Intelligent Technology Co., Ltd2023-02-20Relay Protection Meter, Battery Internal Conductivity Tester, Measurement Calibration And Verification Device100K CNYNot Supported
Qingdao Aohaiyuan International Trade Co., Ltd2014-02-26Relay Protection Meter, Communication Equipment, Physical And Chemical Analysis1000K CNYNot Supported
Hubei Wugao Electric Power New Technology Co., Ltd2005-08-26Relay Protection Meter, Withstand Voltage Test, Wireless Nuclear Phase Analyzer10000K CNYNot Supported

Knowledge Base

Q

This article analyzes the key points of matching a three-phase relay protection tester with a mobile power supply, including power calculation, endurance requirements, and practical suggestions, to help users choose a suitable power supply solution.

Q

Baidu AiGou can help you find pictures related to different categories of comprehensive relay protection devices, taking you to appreciate the diversity and uniqueness of comprehensive relay protection devices. At the same time, we also recommend high-quality comprehensive relay protection equipment products for you, so that you can easily and quickly find the most suitable comprehensive relay protection equipment for yourself when purchasing.

Q

The three-phase relay protection tester is a key equipment used in power systems to verify the performance of relay protection devices. Combined with intelligent design, high-precision output, and multifunctional integration, it can meet the testing needs of various protection devices. The following is a summary of its core information: I. Overview The three-phase relay protection tester is a new intelligent testing device based on microelectronics technology and digital signal processing

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