Updated Aug 21, 2026 · Public platform & industry data

Aug 21, 2026 Updated

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2026 Top 10 Circuit Protection Manufacturers in China Shandong

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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 Shandong for 2026 are: Shandong Heyun Electric Co., Ltd, Jinan Taier Electric Power Technology Co., Ltd, Jining Dongheng Industrial and Mining Materials Co., Ltd, Jinan Tongyu Hengcheng Automation Engineering Co., Ltd, Shandong Dingnuo Automation Equipment Co., Ltd, Jinan Hangxin Electronics Co., Ltd, Tai'an Ancheng Machinery Co., Ltd, Jinan Baiteli Power Technology Co., Ltd, Jinan Youtian Machinery Equipment Co., Ltd, Jining Shanneng Industrial and Mining Equipment 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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Shandong Heyun Electric Co., Ltd
Overall Score4.9 / 5
Est. Date2021-09-06
Registered Capital3250K CNY

Shandong Heyun Electric Co., Ltd., with its registered address at Unit 301, Building 9, No. 488 Beiyuan Street, Beiyuan Street, Tianqiao District, Jinan City, Shandong Province, is registered with the Market Supervision Administration of Tianqiao District, Jinan City. The legal representative is Wang Chao, and the business scope includes general projects such as sales of electrical equipment; Research and development of distribution switch control equipment; Sales of industrial automatic control system devices; Sales of electrical signal equipment devices; Sales of photovoltaic equipment and components; Sales of intelligent power transmission and distribution and control equipment; Sales of power electronic components; Manufacturing of transformers, rectifiers, and inductors [branch operations]; Sales of wind turbines and their components; Information system integration services; Sales of security equipment; Sales of communication equipment; Sales of power facilities and equipment; Sales of mechanical equipment; Electrical equipment repair; Wholesale of electronic components; Battery sales; Retail of computer software, hardware, and auxiliary equipment; Wholesale of hardware products; Information technology consulting services; Operation of wires and cables; Sales of mechanical and electrical equipment; Sales of electrical instruments and meters; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of electrical accessories; Retail of hardware products; Manufacturing of mechanical and electrical equipment [branch operation]; Sales of distribution switch control equipment; Sales of seals; Sales of firefighting equipment; Sales of intelligent instruments and meters; Battery leasing; Software sales; Sales of information security equipment; Contract energy management; Sales of refrigeration and air conditioning equipment; General equipment repair; Installation services for ordinary mechanical equipment; External contracting projects; Construction of earthwork engineering; Manufacturing of power electronic components [branch operation]; Manufacturing of optical communication equipment [branch operation]; Manufacturing of industrial automatic control system equipment [branch operation]; Manufacturing of electrical signal equipment devices [branch operation]; Manufacturing of capacitors and their supporting equipment [branch operation]; Manufacturing of power transmission, distribution and control equipment [branch operation]; Manufacturing of electronic components and electromechanical equipment [branch operation]; Manufacturing of power facilities and equipment [branch operation]; Manufacturing of distribution switch control equipment [branch operation]; Personal business services. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license) Licensed projects: installation, maintenance, and testing of power transmission, power supply, and power receiving facilities; Installation of civil nuclear safety equipment; Electrical installation services; Construction project construction; Construction labor subcontracting; Import and export of goods. (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: Circuit Protection, Variable Frequency Power Supply, Inverter Power Supply

Top 2
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Jinan Taier Electric Power Technology Co., Ltd
Overall Score4.8 / 5
Est. Date2015-04-29
Registered Capital2980K CNY

Jinan Taier Electric Power Technology Co., Ltd., with its registered address at 1-2210, EF Building, Dinghao Plaza, No. 44 Gongye South Road, High tech Zone, Jinan City, Shandong Province, China. The registration authority is the Market Supervision Bureau of Jinan High tech Industrial Development Zone Management Committee, and the legal representative is Wang Yun. Its business scope includes the development of electric power technology; Development, sales, and technical services of power equipment; Development, sales, and technical services of power equipment, electrical equipment, high and low voltage distribution cabinets, and controllers; Sales of solar modules, photovoltaic wind power generation equipment and accessories, power automation equipment, instruments and meters, batteries, frequency converters, electronic equipment, and hardware products; Information system integration services; Development and sales of temperature online detection devices for substation equipment, intelligent dehumidification devices, and non specialized communication equipment. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Circuit Protection, Medium Frequency Power Supply, New Energy Power Supply

Top 3
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Jining Dongheng Industrial and Mining Materials Co., Ltd
Overall Score4.8 / 5
Est. Date2016-09-28
Registered Capital100K CNY

Jining Dongheng Industrial and Mining Materials Co., Ltd., with its registered address at 1314, 13th floor, Unit 01, Comprehensive Building, Datang Science and Technology Building, Xianying Street, Rencheng District, Jining City, Shandong Province, is registered with the Market Supervision and Administration Bureau of Rencheng District, Jining City. The legal representative is Li Shuang, and its business scope includes mining machinery and accessories, fire-fighting equipment, mechanical equipment and accessories, water treatment equipment, track equipment, pneumatic tools, lifting equipment, hardware products, daily necessities, decorative materials, electronic products, instruments and meters, automotive accessories, general labor protection products, amusement equipment, public safety equipment, construction machinery, clothing, shoes and hats, textile products, leather products, environmental monitoring instruments, sensors, lighting equipment, communication terminal equipment (excluding radio transmission and satellite). Sales of receiving equipment and medical devices; Import and export of goods and technology (excluding those 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, Loudspeaker Telephone, Dc Regulated Power Supply

TOP4
Jinan Tongyu Hengcheng Automation Engineering Co., Ltd
Overall Score4.7 / 5
Est. Date2009-03-12
Registered Capital1500K CNY

Jinan Tongyu Hengcheng Automation Engineering Co., Ltd., with its registered address at No. 3788 Jingshi West Road, Huaiyin District, Jinan City, Shandong Province, is registered with the Market Supervision Administration of Huaiyin District, Jinan City. The legal representative is Li Zongwen, and the business scope includes general freight transportation (the validity period is subject to the license); Manufacturing and sales of cabinets and chassis; Manufacturing and sales of aluminum-plastic processing equipment and wood processing machinery; Sales and installation of industrial automation control equipment; Sales: mechanical equipment and accessories, engraving machines, instruments and meters, electrical equipment, wires and cables, hydraulic and pneumatic components, metal materials, rubber products, hardware and electrical equipment; Import and export business. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Circuit Protection, Sheet Metal Processing, Complete Electrical Equipment

TOP5
Shandong Dingnuo Automation Equipment Co., Ltd
Overall Score4.7 / 5
Est. Date2017-02-22
Registered Capital12000K CNY

Shandong Dingnuo Automation Equipment Co., Ltd., registered at No. 1 East Road, Liangxiang Industrial Park, 50 meters southwest of the intersection of East Road and Changguo East Road, Hutian Street, Zhangdian District, Zibo City, Shandong Province, is registered with the Zhangdian District Market Supervision and Administration Bureau of Zibo City. The legal representative is Wang Wenlong, and the business scope includes general projects: manufacturing of industrial automatic control system devices; Sales of industrial automatic control system devices; Manufacturing of instruments and meters; Sales of instruments and meters; Manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); Sales of valves and plugs; Manufacturing of distribution switch control equipment; Sales of distribution switch control equipment; Manufacturing of mechanical and electrical equipment; Sales of mechanical and electrical equipment; Sales of electrical equipment; Sales of mechanical equipment; Mold sales; Manufacturing of electronic components and electromechanical equipment; Sales of electronic components and electromechanical equipment; Electronic product sales; Retail of hardware products; Wholesale of hardware products; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Industrial engineering design services; Software development; Development of network and information security software; Import and export of goods; Technology import and export; Research and development of motors and their control systems; Industrial robot manufacturing; Sales of industrial robots; Labor services (excluding labor dispatch); Manufacturing of hardware products. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license) Licensed project: 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: Circuit Protection, Radar Level Gauge, Temperature Transmitter

TOP6
Jinan Hangxin Electronics Co., Ltd
Overall Score4.6 / 5
Est. Date2016-03-21
Registered Capital10000K CNY

Jinan Hangxin Electronics Co., Ltd., registered at 1209, Building 1, Lushang Phoenix Plaza, No. 4567 Tangye Middle Road, Jinan Area, China (Shandong) Pilot Free Trade Zone, registered with the Market Supervision and Administration Bureau of Licheng District, Jinan City, with Jing Guoqiang as the legal representative. Its business scope includes the development, production, and sales of power equipment; Development and sales of non specialized communication equipment and electronic components; Electronic product technology development, technical consulting, and technology transfer; Development of firefighting equipment, firefighting devices, distribution boxes, distribution cabinets, and computer hardware; Building intelligence engineering and electronic engineering; Installation and maintenance of electronic products; Wholesale and retail of electronic products and accessories, instruments and meters, electronic equipment, mechanical equipment, electrical equipment, automation control equipment, computer accessories and consumables; Import and export business. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Circuit Protection, Power Distribution Box, Universal Power Supply

TOP7
Tai'an Ancheng Machinery Co., Ltd
Overall Score4.6 / 5
Est. Date2023-06-07
Registered Capital2000K CNY

Tai'an Ancheng Machinery Co., Ltd., with its registered address at No. 5 Caiyuan Street, Mount Taishan District, Tai'an City, Shandong Province, is registered by the Market Supervision Administration of Mount Taishan District, Tai'an City, and its legal representative is Li Xiang. Its business scope includes general items: processing of machinery parts and components; Sales of mechanical parts and components; Sales of construction machinery; Manufacturing of construction machinery; Installation services for ordinary mechanical equipment; Sales of mechanical equipment; Mechanical equipment leasing; General equipment repair; Specialized equipment repair; Electrical equipment repair; Sales of fans and blowers; Sales of mining machinery; Instrument and meter repair; Sales of electrical equipment; Sales of instruments and meters; Sales of wind and electric tools; Sales of chemical products (excluding licensed chemical products); Engaging in investment activities with self owned funds; business management; Information consulting services (excluding licensed information consulting 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, Turnout Turntable, Mining Video Monitoring Device

TOP8
Jinan Baiteli Power Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2019-08-22
Registered Capital1000K CNY

Jinan Baiteli Power Technology Co., Ltd. is located at Room 1303, Unit 1, Building 10, Greenland International Flower Capital Zone 2, Huaiyin District, Jinan City, Shandong Province. It was established on August 22, 2019, with the registration authority being the Huaiyin District Market Supervision Administration of Jinan City and the legal representative being Cui Jieyuan. Core products: Circuit Protection, Communication Power Cabinet, Integrated Cabinet

TOP9
Jinan Youtian Machinery Equipment Co., Ltd
Overall Score4.4 / 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, Sheet Metal Repair Machine, Protein Detector

TOP10
Jining Shanneng Industrial and Mining Equipment Co., Ltd
Overall Score4.4 / 5
Est. Date2014-03-27
Registered Capital1000K CNY

Jining Shanneng Industrial and Mining Equipment Co., Ltd., with its registered address at Room 2101, North Building, Chengguang Building, Hongxing East Road, Guanyin Ge Street, Rencheng District, Jining City, Shandong Province, is registered with the Market Supervision and Administration Bureau of Rencheng District, Jining City. The legal representative is Ye Menghui, and its business scope includes the sales and related technical consulting, as well as after-sales services of industrial and mining equipment and accessories, mechanical equipment, electrical machinery and accessories, electronic products, chemical products (excluding hazardous chemicals), high and low voltage electrical appliances, instruments and meters, communication automation, building materials (excluding wood), steel, and coal mining machinery and equipment; Sales of railway equipment and accessories, rescue equipment, fire-fighting equipment, hardware tools, labor protection supplies, food, liquid disinfectants, and Class I medical devices; Import and export business of goods and technology (excluding those 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, Air Inflation Pump, Instrumentation And Meters

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Shandong Heyun Electric Co., Ltd2021-09-06Circuit Protection, Variable Frequency Power Supply, Inverter Power Supply3250K CNYNot Supported
Jinan Taier Electric Power Technology Co., Ltd2015-04-29Circuit Protection, Medium Frequency Power Supply, New Energy Power Supply2980K CNYNot Supported
Jining Dongheng Industrial and Mining Materials Co., Ltd2016-09-28Circuit Protection, Loudspeaker Telephone, Dc Regulated Power Supply100K CNYNot Supported
Jinan Tongyu Hengcheng Automation Engineering Co., Ltd2009-03-12Circuit Protection, Sheet Metal Processing, Complete Electrical Equipment1500K CNYSupported
Shandong Dingnuo Automation Equipment Co., Ltd2017-02-22Circuit Protection, Radar Level Gauge, Temperature Transmitter12000K CNYSupported
Jinan Hangxin Electronics Co., Ltd2016-03-21Circuit Protection, Power Distribution Box, Universal Power Supply10000K CNYNot Supported
Tai'an Ancheng Machinery Co., Ltd2023-06-07Circuit Protection, Turnout Turntable, Mining Video Monitoring Device2000K CNYNot Supported
Jinan Baiteli Power Technology Co., Ltd2019-08-22Circuit Protection, Communication Power Cabinet, Integrated Cabinet1000K CNYNot Supported
Jinan Youtian Machinery Equipment Co., Ltd2019-04-08Circuit Protection, Sheet Metal Repair Machine, Protein Detector5000K CNYNot Supported
Jining Shanneng Industrial and Mining Equipment Co., Ltd2014-03-27Circuit Protection, Air Inflation Pump, Instrumentation And Meters1000K CNYSupported

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