Updated Sep 9, 2026 · Public platform & industry data

Sep 9, 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: Zhejiang Nano Electric Co., Ltd, Shanghai Hunchuan Intelligent Technology Co., Ltd, Anhui Honglang Electric Power Technology Co., Ltd, Shanghai Tongying Electronic Technology Co., Ltd, Shenzhen Jieshengda Electronics Co., Ltd, Zhongyun Intelligent Machinery Group Co., Ltd, Shandong Kuang'an Heavy Industry Co., Ltd, Shenzhen Luhai Polymer Materials Co., Ltd, Shandong Lu Coal Heavy Industry Co., Ltd, Ningbo Feinade Electric Appliance 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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Zhejiang Nano Electric Co., Ltd
Overall Score4.9 / 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, Circuit Breaker, Circuit Breaker

Top 2
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Shanghai Hunchuan Intelligent Technology Co., Ltd
Overall Score4.8 / 5
Est. Date2024-04-10
Registered Capital5250K CNY

Shanghai Hunchuan Intelligent Technology Co., Ltd., with its registered address at Room 101, Building 6, No. 2222 Huancheng Road, Juyuan New District, Jiading District, Shanghai, is registered with the Jiading District Market Supervision and Administration Bureau. The legal representative is Yin Shuping, and the business scope includes general projects such as technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Import and export of goods; Technology import and export; Sales of display devices; Battery sales; Sales of battery spare parts; Sales of electronic components and electromechanical equipment; Sales of intelligent power transmission and distribution and control equipment; Sales of photovoltaic equipment and components; Sales of electrical equipment; Operation of wires and cables; Sales of distribution switch control equipment; Sales of refrigeration and air conditioning equipment; Retail of computer software, hardware, and auxiliary equipment; Sales of cloud computing devices; Retail of electronic components; Electronic product sales; Sales of integrated circuit chips and products; Sales of artificial intelligence hardware; Sales of intelligent robots; Sales of pumps and vacuum equipment; Furniture sales; Retail of hardware products; Sales of metal products; Sales of metal materials; Sales of instruments and meters; Sales of firefighting equipment; Sales of plastic products; Sales of specialized chemical products (excluding hazardous chemicals); Sales of electronic specialized materials; Sales of packaging materials and products; Sales of mechanical equipment; Sales of special equipment; Sales of specialized equipment for environmental protection; Internet sales (except for the sale of goods that need to be licensed); Specialized equipment repair; General equipment repair; Energy storage technology services; Information consulting services (excluding licensed information consulting services); Enterprise management consulting; Professional design services; Mechanical equipment leasing; Rental services (excluding licensed rental services); Contract energy management; Supply chain management services; Procurement agency services; Information system operation and maintenance services; Retail of stationery supplies; Toy sales; Retail of arts and crafts and collectibles (excluding ivory and its products); Exhibition and display services for digital creative products; Digital content production services (excluding publishing and distribution); Digital cultural creative content application services; Copyright agency; Intellectual property services (excluding patent agency 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: Circuit Protection, Standby, Rack-Mounted

Top 3
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Anhui Honglang Electric Power Technology Co., Ltd
Overall Score4.8 / 5
Est. Date2017-03-15
Registered Capital10800K CNY

Anhui Honglang Electric Power Technology Co., Ltd., registered at B12-502, Gongtou Chuangzhi Tiandi Phase III, Lindian Street, Luyang District, Hefei City, Anhui Province, registered with the Market Supervision and Administration Bureau of Luyang District, Hefei City, with Chen Jinzhi as the legal representative. Its business scope includes general projects: manufacturing of power electronic components; Sales of power electronic components; Manufacturing of electrical instruments and meters; Sales of intelligent power transmission and distribution and control equipment; Research and development of distribution switch control equipment; Information system integration services; Software development; Software sales; Research and development of efficient and energy-saving technologies in the power industry; Technical services, technology development, technology consulting, technology exchange, technology transfer, technology promotion (except for licensed businesses, can independently operate projects that are not prohibited or restricted by laws and regulations). Core products: Circuit Protection, Intelligent Temperature Measuring Device, Protective Device

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, Basman, Fuji

TOP5
Shenzhen Jieshengda Electronics Co., Ltd
Overall Score4.7 / 5
Est. Date2018-03-26
Registered Capital1000K CNY

Shenzhen Jieshengda Electronics Co., Ltd., with its registered address at 1908, New Asia Guoli Building, No. 18 Zhonghang Road, Huahang Community, Huaqiangbei Street, Futian District, Shenzhen. The registration authority is the Shenzhen Market Supervision Administration, and the legal representative is Hong Hanzhong. Its business scope includes wholesale and retail of electronic components, electronic products, integrated circuits, digital products and accessories, communication products and accessories, computers and accessories, and optoelectronic materials; Research and sales of electronic products; Domestic trade, engaged in import and export business. (Except for ivory and its products, excluding items prohibited by laws, administrative regulations, and decisions of the State Council, and restricted items must obtain a license before operation), the licensed operating items are. Core products: Circuit Protection, Three-Terminal Voltage Regulator, Passive Components

TOP6
Zhongyun Intelligent Machinery Group Co., Ltd
Overall Score4.6 / 5
Est. Date2017-03-02
Registered Capital50000K CNY

Zhongyun Intelligent Machinery Group Co., Ltd., with its registered address at No. 11 Kaiyuan Road North, Jining High tech Zone, is registered with the Market Supervision and Administration Bureau of Jining High tech Industrial Development Zone, and its legal representative is Qu Qing. Its business scope includes the manufacturing and sales of intelligent mechanical equipment, mechanical equipment, and accessories; Import and export of goods and technology (excluding businesses restricted or prohibited by the state). (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Circuit Protection, Steel, Spraying Equipment

TOP7
Shandong Kuang'an Heavy Industry Co., Ltd
Overall Score4.6 / 5
Est. Date2020-11-05
Registered Capital51180K CNY

Shandong Kuang'an Heavy Industry Co., Ltd., with its registered address at Building 9, Shanbo Road South Yard, 666 meters east of the intersection of Shanbo Road and Haichuan Road, High tech Zone, Jining City, Shandong Province, is registered with the Market Supervision and Administration Bureau of Jining High tech Industrial Development Zone. The legal representative is Chen Qian, and the business scope includes general projects such as mining machinery manufacturing; Manufacturing of power electronic components; General equipment manufacturing (excluding special equipment manufacturing); Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); Research and development of distribution switch control equipment; Mechanical equipment research and development; Research and development of motors and their control systems; Sales of mining machinery; Retail of electronic components; Sales of mechanical and electrical equipment; General equipment repair; Electrical equipment repair; Sales of underwater systems and operational equipment; Electronic product sales; Sales of plastic products; Information system operation and maintenance services; Maintenance of electronic and mechanical equipment (excluding special equipment); Installation services for ordinary mechanical equipment; Import and export of goods; Technology import and export; Internet sales (except for the sale of goods that need to be licensed); Sales of construction machinery. (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, Intelligent Air Door Remote Control System, Emergency Stop Sensor

TOP8
Shenzhen Luhai Polymer Materials Co., Ltd
Overall Score4.6 / 5
Est. Date2011-10-10
Registered Capital10000K CNY

Shenzhen Luhai Polymer Materials Co., Ltd., with its registered address at 2319, Building A, Charm Era Garden, Intersection of Xixiang Avenue and Xinhu Road, Xixiang Street, Bao'an District, Shenzhen, is registered with the Bao'an Regulatory Bureau of the Shenzhen Market Supervision Administration. The legal representative is Chen Binghe, and the business scope includes general business projects: technology development and related technical consulting of polymer materials and communication products; Construction of network engineering; Computer system integration; Computer software technology development; Sales of instruments and meters, electromechanical equipment, electronic equipment parts, household appliances, plastic molds, electrical equipment, and daily necessities; Import and export of goods and technology. (Except for projects that require approval before registration as stipulated by laws, administrative regulations, and decisions of the State Council) Licensed business projects: none.. Core products: Circuit Protection, Land Sea Electronics, Surface Mounted Self-Healing Fuse

TOP9
Shandong Lu Coal Heavy Industry Co., Ltd
Overall Score4.4 / 5
Est. Date2020-03-11
Registered Capital60000K CNY

Shandong Lu Coal Heavy Industry Co., Ltd., with its registered address at Yangcheng Coal Mine in Guolou Town, Wenshang County, Jining City, is registered with the Market Supervision and Administration Bureau of Wenshang County. The legal representative is Fang Yuxiang, and its business scope includes general projects such as mining machinery manufacturing; Sales of mining machinery; Sales of railway transportation equipment; Sales of agricultural machinery; Sales of agricultural and sideline products; Sales of specialized equipment for environmental protection; Sales of construction machinery; Sales of building materials; Sales of labor protection equipment; Wholesale of hardware products; Sales of metal materials; Sales of pumps and vacuum equipment; Sales of firefighting equipment; Manufacturing of hardware products; Manufacturing of mechanical and electrical equipment; Software development; Sales of artificial intelligence hardware; Sales of lubricating oil; Sales of specialized instruments and meters for environmental monitoring; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of instruments and meters. (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, Shotcrete Machine, Hoist Winch

TOP10
Ningbo Feinade Electric Appliance Co., Ltd
Overall Score4.4 / 5
Est. Date2019-12-04
Registered Capital2000K CNY

Ningbo Feinade Electric Appliance Co., Ltd., registered at No. 146 Xiaotang Road, Hangzhou Bay New Area, Ningbo, Zhejiang Province, with the registration authority of Qianwan New Area Branch of Ningbo Market Supervision Administration and the legal representative of Wan Jinlong, operates in general projects including instrument manufacturing; Manufacturing of distribution switch control equipment; Manufacturing of mechanical and electrical equipment; Manufacturing of electronic components; Manufacturing of hardware products; Manufacturing of specialized electrical and mechanical equipment; Manufacturing of electrical instruments and meters; Research and development of household appliances; Sales of household appliances; Sales of electronic components and electromechanical equipment; Sales of electrical accessories; Electronic product sales; Sales of electrical equipment; Sales of specialized equipment for the production of lighting fixtures; Sales of power facilities and equipment; Sales of mechanical and electrical equipment; Wholesale of hardware products; Sales of industrial automatic control system devices; Sales of distribution switch control equipment; Sales of metal tools; Sales of instruments and meters; Sales of electrical instruments and meters; Sales of plastic products; Retail of daily household appliances; Sales of household appliance spare parts; Wholesale of daily necessities; Internet sales (except for sales of goods that require a license).; Import and export of goods; Technology import and export (except for projects that require approval according to law, business activities are carried out independently based on the business license in accordance with the law).. Core products: Circuit Protection, Motor Protector, Phase Sequence Protector

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Zhejiang Nano Electric Co., Ltd2026-03-13Circuit Protection, Circuit Breaker, Circuit Breaker10000K CNYNot Supported
Shanghai Hunchuan Intelligent Technology Co., Ltd2024-04-10Circuit Protection, Standby, Rack-Mounted5250K CNYNot Supported
Anhui Honglang Electric Power Technology Co., Ltd2017-03-15Circuit Protection, Intelligent Temperature Measuring Device, Protective Device10800K CNYNot Supported
Shanghai Tongying Electronic Technology Co., Ltd2020-09-18Circuit Protection, Basman, Fuji3000K CNYNot Supported
Shenzhen Jieshengda Electronics Co., Ltd2018-03-26Circuit Protection, Three-Terminal Voltage Regulator, Passive Components1000K CNYNot Supported
Zhongyun Intelligent Machinery Group Co., Ltd2017-03-02Circuit Protection, Steel, Spraying Equipment50000K CNYSupported
Shandong Kuang'an Heavy Industry Co., Ltd2020-11-05Circuit Protection, Intelligent Air Door Remote Control System, Emergency Stop Sensor51180K CNYNot Supported
Shenzhen Luhai Polymer Materials Co., Ltd2011-10-10Circuit Protection, Land Sea Electronics, Surface Mounted Self-Healing Fuse10000K CNYNot Supported
Shandong Lu Coal Heavy Industry Co., Ltd2020-03-11Circuit Protection, Shotcrete Machine, Hoist Winch60000K CNYSupported
Ningbo Feinade Electric Appliance Co., Ltd2019-12-04Circuit Protection, Motor Protector, Phase Sequence Protector2000K 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