Updated Sep 4, 2026 · Public platform & industry data

Sep 4, 2026 Updated

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2026 Top 10 Circuit Protection Manufacturers in China

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

The top 10 Circuit Protection manufacturers in China for 2026 are: Shanghai Lingheng Automation Technology Co., Ltd, Jinan Youtian Machinery Equipment Co., Ltd, Pingdingshan Zhixin Electric Co., Ltd, Shanghai Tongying Electronic Technology Co., Ltd, Nanjing Liyanfei Machinery Equipment Co., Ltd, Jiangsu Ankerui Microgrid Research Institute Co., Ltd, Zhejiang Anfengda Intelligent Electrical Co., Ltd, Changzhou Kaichi Automation Technology Co., Ltd, Qingdao Pingshan Technical Research International Trade Co., Ltd, Zhejiang Nano Electric 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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Shanghai Lingheng Automation Technology Co., Ltd
Overall Score4.9 / 5
Est. Date2019-08-14
Registered Capital3500K CNY

Shanghai Lingheng Automation Technology Co., Ltd. is registered at No. 361 Xinzhan Road, Xinqiao Town, Songjiang District, Shanghai. The registration authority is the Songjiang District Market Supervision Administration, and the legal representative is Yang Fengtang. Its business scope includes technology development, technical services, technical consulting, and technology transfer in the field of automation technology, construction of electrical equipment, mechanical equipment, and electromechanical installation projects, sales of electronic and electrical products, hardware and electrical equipment, electronic components, automation equipment, electromechanical products, instruments and meters, computer software and hardware and accessories, metal materials, maintenance of building decoration materials, and professional construction of electromechanical equipment installation and construction projects. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Circuit Protection, Residual Current Circuit Breaker, Controller

Top 2
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Jinan Youtian Machinery Equipment Co., Ltd
Overall Score4.8 / 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: Circuit Protection, Solenoid Valve, Automobile Chassis Stethoscope

Top 3
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Pingdingshan Zhixin Electric Co., Ltd
Overall Score4.8 / 5
Est. Date2014-11-19
Registered Capital10000K CNY

Pingdingshan Zhixin Electric Co., Ltd., with its registered address at No.1 Courtyard, South District, Sanyuan Science and Technology Industrial Park, Jia County, Pingdingshan City, Henan Province, is registered with the Jia County Market Supervision and Administration Bureau of Pingdingshan City. The legal representative is Xin Cuifang, and its business scope includes general projects such as the manufacturing of capacitors and their supporting equipment; Manufacturing of distribution switch control equipment; Manufacturing of transformers, rectifiers, and inductors; Manufacturing of power transmission, distribution and control equipment; Manufacturing of power electronic components; Electrical equipment repair; Instrument and meter repair; Sales of daily necessities; Sales of household appliances; Sales of metal materials; Sales of building decoration materials; Wholesale of hardware products; Sales of firefighting equipment; Sales of labor protection equipment; Sales of office supplies; Foreign contracting projects (except for projects that require approval according to law, business activities can be carried out independently based on the business license) License project: Construction labor subcontracting (projects that require approval according to law can only be carried out after approval by relevant departments, and specific business projects are subject to the approval documents or licenses of relevant departments). Core products: Circuit Protection, Low-Voltage Switchgear, Dry-Type Transformer

TOP4
Shanghai Tongying Electronic Technology Co., Ltd
Overall Score4.7 / 5
Est. Date2020-09-18
Registered Capital3000K CNY

Shanghai Tongying Electronic Technology Co., Ltd., with its registered address at Building 104, 1st Floor, Area A, No. 1-30, Lane 88, Minbei Road, Minhang District, Shanghai, is registered with the Minhang District Market Supervision Administration. The legal representative is Yi Chunhua, and its business scope includes licensed projects such as import and export of goods; Technology import and export. (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 of relevant departments.) General projects: technical services, technology development, technology consulting, technology exchange, technology transfer, technology promotion; Electronic product sales; Sales of electronic components and electromechanical equipment; Sales of power electronic components; Sales of electrical equipment; Sales of instruments and meters; Furniture sales; Sales of office equipment; Sales of daily necessities; Sales of office supplies; Wholesale of hardware products; Retail of hardware products; Sales of pneumatic power machinery and components; Sales of specialized chemical products (excluding hazardous chemicals); Sales of packaging materials and products; Sales of mechanical equipment; Sales of specialized instruments and meters for environmental monitoring; Sales of electrical and mechanical 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: Circuit Protection, Semikron , Macro Micro

TOP5
Nanjing Liyanfei Machinery Equipment Co., Ltd
Overall Score4.7 / 5
Est. Date2017-12-28
Registered Capital1000K CNY

Nanjing Liyanfei Machinery Equipment Co., Ltd., whose registered address is located at Station 018, Maker Space, E-Creation Park, No. 19, Pusi Road, Mount Taishan Street, Jiangbei New Area, Nanjing, is registered by the Administrative Examination and Approval Bureau of the Management Committee of Jiangbei New Area, Nanjing, and its legal representative is Wang Juan. Its business scope includes licensed items: 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: sales of mechanical equipment; Retail of hardware products; Sales of instruments and meters; Sales of mechanical and electrical equipment; Retail of computer software, hardware, and auxiliary equipment; Retail of electronic components; Sales of plastic products; Sales of rubber products; Sales of chemical products (excluding licensed chemical products); Sales of security equipment; Sales of labor protection equipment; Sales of electrical equipment (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: Circuit Protection, Chikasa Tsukasa Motor, Yuqian Gsyuasaups Battery

TOP6
Jiangsu Ankerui Microgrid Research Institute Co., Ltd
Overall Score4.6 / 5
Est. Date2019-06-21
Registered Capital35000K CNY

Jiangsu Ankerui Microgrid Research Institute Co., Ltd., registered at No. 9 Xincheng Road, Jiangyin City, with Jiangyin Data Bureau as the registration authority and Zhou Zhong as the legal representative, operates in general projects including technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Software development; Software sales; Sales of intelligent instruments and meters; Sales of specialized instruments and meters for environmental monitoring; Sales of supply instruments and meters; Sales of advanced power electronic devices; Sales of communication equipment; Sales of lighting fixtures; Sales of intelligent power transmission and distribution and control equipment; Manufacturing of IoT devices; Sales of IoT devices; Internet of Things technology services; Research and development of Internet of Things technology; Intelligent control system integration; Information system integration services; Energy storage technology services; Research and development of online energy monitoring technology; Operational efficiency evaluation service; Internet data service; Import and export of goods; Technology import and export; Solar power generation technology services; Research and development of emerging energy technologies; Research and development of online energy metering technology; Research and development of carbon reduction, carbon conversion, carbon capture, and carbon sequestration technologies; Computer system services; Energy saving management services; Industrial Internet data service; Sales of photovoltaic equipment and components; Sales of charging stations; Operation of electric vehicle charging infrastructure; Engineering management services; Engineering and technical services (excluding planning management, survey, design, and supervision) (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: Circuit Protection, Ems, Substation Operation And Maintenance Cloud Platform

TOP7
Zhejiang Anfengda Intelligent Electrical Co., Ltd
Overall Score4.6 / 5
Est. Date2020-12-04
Registered Capital11880K CNY

Zhejiang Anfengda Intelligent Electrical Co., Ltd., registered at Xiangyang Industrial Zone, Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province (Room 13 of Yueqing Yongxing Paper Industry Co., Ltd.), registered with the Yueqing Market Supervision Administration, with Zheng Shenzhou as the legal representative. Its business scope includes general projects: manufacturing of distribution switch control equipment; Manufacturing of smart home consumer devices; Intelligent basic manufacturing equipment manufacturing; Manufacturing of security equipment; Manufacturing of lighting fixtures; Manufacturing of mechanical and electrical equipment; Manufacturing of electrical signal equipment devices; Manufacturing of power electronic components; Manufacturing of metal tools; Manufacturing of transformers, rectifiers, and inductors; Manufacturing of supply instruments and meters; Manufacturing of plastic products; Manufacturing of household appliances; Manufacturing of specialized electrical and mechanical equipment; Manufacturing of metal products for safety and firefighting purposes; Manufacturing of semiconductor lighting devices; Battery manufacturing; Sales of firefighting equipment; Sales of distribution switch control equipment; Wholesale of computer software, hardware, and auxiliary equipment; Sales of lighting fixtures; Sales of lighting fixtures; Sales of mechanical and electrical equipment; Sales of electrical signal equipment devices; Sales of specialized instruments and meters for environmental monitoring; Sales of power electronic components; Sales of communication equipment; Sales of smart home consumer devices; Sales of intelligent basic manufacturing equipment; Sales of plastic products; Electronic product sales; Sales of household appliances; Sales of household appliance spare parts; Battery sales; Sales of security equipment; Sales of semiconductor lighting devices; Sales of metal products; Research and development of household appliances; Fire technology services; Security system monitoring service; Research and development of metal products; Research and development of distribution switch control equipment (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: Circuit Protection, Protector, Intelligent Wireless Fire Extinguishing System

TOP8
Changzhou Kaichi Automation Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2019-04-17
Registered Capital5000K CNY

Changzhou Kaichi Automation Technology Co., Ltd., with its registered address at Building 30-1, No. 8 Changxiu Road, Xihu Street, Wujin Economic Development Zone, Jiangsu Province, is registered with the Government Service Management Office of Wujin District, Changzhou City. The legal representative is Hang Haixia, and its business scope includes general projects such as research and development of distribution switch control equipment; Sales of distribution switch control equipment; Manufacturing of electronic components and electromechanical equipment; Sales of electronic components and electromechanical equipment; Manufacturing of distribution switch control equipment; Manufacturing of electrical instruments and meters; Sales of electrical instruments and meters; Sales of electrical equipment; Operation of wires and cables; Sales of power electronic components; Electronic product sales; Mechanical equipment research and development; Information technology consulting services; Wholesale of hardware products; Research and development of hardware products; Retail of hardware products; Sales of mechanical and electrical equipment; Sales of advanced power electronic devices; Fiber optic sales; Sales of electronic specialized materials; Research and development of electronic specialized materials; Sales of monitoring and control equipment for power transmission and distribution; Fiber optic cable sales; Maintenance of electronic and mechanical equipment (excluding special equipment); Sales of mechanical equipment; Wholesale of computer software, hardware, and auxiliary equipment; Retail of computer software, hardware, and auxiliary equipment; Sales of industrial control computers and systems; Rental of computers and communication equipment; Computer and office equipment maintenance; Internet equipment sales; Mechanical equipment leasing (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: Circuit Protection, Certification Control Cabinet,

TOP9
Qingdao Pingshan Technical Research International Trade Co., Ltd
Overall Score4.4 / 5
Est. Date2017-06-07
Registered Capital3000K CNY

Qingdao Pingshan Jiyan International Trade Co., Ltd., with its registered address at 6-603, Building B, Hisense Huiyuan Business Building, No. 204 Yan'an Third Road, Shinan District, Qingdao City, Shandong Province, is registered with the Market Supervision and Administration Bureau of Shinan District, Qingdao City. The legal representative is Dai Jiajia, and its business scope includes wholesale and sales of mechanical and electrical equipment, electronic products, instruments and meters, and industrial equipment; Import and export business of goods and technology (excluding projects prohibited by laws, administrative regulations, and decisions of the State Council, and projects restricted must obtain a license before operation). (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Circuit Protection, Impact Wrench, Proximity Sensor

TOP10
Zhejiang Nano Electric Co., Ltd
Overall Score4.4 / 5
Est. Date2026-03-13
Registered Capital10000K CNY

Zhejiang Nano Electric Co., Ltd., located at Room H501, Building 2, No. 6 Baoda Road, Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province, was established on March 13, 2026. The registration authority is the Yueqing Market Supervision Administration, and the legal representative is Chi Xiuhua. Core products: Circuit Protection, Molded Case Circuit Breaker, Surge Protector

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Shanghai Lingheng Automation Technology Co., Ltd2019-08-14Circuit Protection, Residual Current Circuit Breaker, Controller3500K CNYNot Supported
Jinan Youtian Machinery Equipment Co., Ltd2019-04-08Circuit Protection, Solenoid Valve, Automobile Chassis Stethoscope5000K CNYNot Supported
Pingdingshan Zhixin Electric Co., Ltd2014-11-19Circuit Protection, Low-Voltage Switchgear, Dry-Type Transformer10000K CNYSupported
Shanghai Tongying Electronic Technology Co., Ltd2020-09-18Circuit Protection, Semikron , Macro Micro3000K CNYNot Supported
Nanjing Liyanfei Machinery Equipment Co., Ltd2017-12-28Circuit Protection, Chikasa Tsukasa Motor, Yuqian Gsyuasaups Battery1000K CNYNot Supported
Jiangsu Ankerui Microgrid Research Institute Co., Ltd2019-06-21Circuit Protection, Ems, Substation Operation And Maintenance Cloud Platform35000K CNYNot Supported
Zhejiang Anfengda Intelligent Electrical Co., Ltd2020-12-04Circuit Protection, Protector, Intelligent Wireless Fire Extinguishing System11880K CNYNot Supported
Changzhou Kaichi Automation Technology Co., Ltd2019-04-17Circuit Protection, Certification Control Cabinet, 5000K CNYNot Supported
Qingdao Pingshan Technical Research International Trade Co., Ltd2017-06-07Circuit Protection, Impact Wrench, Proximity Sensor3000K CNYNot Supported
Zhejiang Nano Electric Co., Ltd2026-03-13Circuit Protection, Molded Case Circuit Breaker, Surge Protector10000K CNYNot Supported

Purchasing Guide

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

  • For procurement requirements that require circuit protection, it is recommended to match equipment based on key technical parameters such as voltage level, current capacity, and response time. In industrial scenarios, additional consideration should be given to environmental tolerance indicators.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and companies with industry data support. Such suppliers usually have more stable delivery records in sub fields such as power electronics or communication base stations.
  • In application scenarios such as new energy or smart homes, circuit protection devices need to balance high sensitivity and modular design to avoid system level failures caused by overload or short circuits.
  • When purchasing circuit protection, it is usually necessary to compare the industry data performance of different suppliers, for example, in the automotive electronics field, more attention is paid to the actual case verification of suppliers in surge protection.

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