Updated Jun 12, 2026 · Public platform & industry data

Jun 12, 2026 Updated

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2026 Top 10 Protector Manufacturers in China

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

The top 10 Protector manufacturers in China for 2026 are: Jining Yongmei Mining Machinery Co., Ltd, Shanghai Changkai Electric Appliance Co., Ltd, Dongguan Guoyu Electronics Co., Ltd, Dongguan Hongyu Plastic Co., Ltd, Dongguan Henghao Electric Appliance Co., Ltd, Hefei Dingge Electric Power Technology Co., Ltd, Tangshan Hanya Electrical Equipment Co., Ltd, Ningbo Feinade Electric Appliance Co., Ltd, Ankerui Electric Co., Ltd, Shandong Pumei Intelligent 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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Jining Yongmei Mining Machinery Co., Ltd
Overall Score4.9 / 5
Est. Date2014-11-25
Registered Capital100K CNY

Jining Yongmei Industrial and Mining Machinery Co., Ltd., with its registered address at 1315, 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 Zhigang, and the business scope includes general items: sales of mining machinery; Sales of mechanical parts and components; Sales of firefighting equipment; Sales of specialized equipment for environmental protection; Sales of rail transit engineering machinery and components; Sales of wind and electric tools; Sales of special equipment; Wholesale of hardware products; Retail of hardware products; Wholesale of daily necessities; Sales of daily necessities; Sales of building decoration materials; Electronic product sales; Sales of instruments and meters; Wholesale of automotive spare parts; Sales of labor protection equipment; Sales of security equipment; Sales of construction machinery; Wholesale of clothing and apparel; Clothing and apparel retail; Wholesale of shoes and hats; Retail of shoes and hats; Needle textile sales; Sales of needle textiles and raw materials; Sales of leather products; Sales of ecological environment monitoring and detection instruments and meters; Sales of specialized instruments and meters for environmental monitoring; Retail of electronic components; Sales of lighting fixtures; Sales of communication equipment; Sales of Class I medical devices; Sales of Class II medical devices; Retail of protective equipment for medical staff; Wholesale of protective equipment for medical staff; Wholesale of medical masks; Sales of household items; Sales of building materials; Sales of household appliances; Sales of household appliance spare parts; Sales of metal materials; Sales of metal products; Sales of non-metallic minerals and products; Sales of chemical products (excluding licensed chemical products); Sales of intelligent robots; Sales of distribution switch control equipment; Sales of electrical equipment; Sales of new energy original equipment; Retail of computer software, hardware, and auxiliary equipment; Sales of calculator equipment; Software development; Information technology consulting services; Agricultural machinery sales (except for projects that require approval according to law, business activities can be carried out independently with a business license in accordance with the law) License items: technology import and export; Import and export of goods (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). Core products: Protector, Speech Processing Module, Jyb

Top 2
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Shanghai Changkai Electric Appliance Co., Ltd
Overall Score4.7 / 5
Est. Date2014-06-16
Registered Capital10000K CNY

Shanghai Changkai Electric Appliance Co., Ltd., with its registered address at Room 2871, Building 2, No. 1899 Guangtai Road, Fengxian District, Shanghai, is registered with the Market Supervision Administration of Fengxian District. The legal representative is Yang Panpan, and the business scope includes the sales of high and low voltage electrical products, industrial automation equipment, electromechanical equipment, electronic products, power tools, electronic components, instruments and meters, rubber and plastic products, hardware and electrical equipment, research and development, design, manufacturing, sales, installation and maintenance of low-voltage electrical appliances and accessories, mechanical equipment and accessories, molds, engaged in import and export business of goods and technology, technical services, technical consulting, technical development, and technology transfer in the field of electrical and electrical technology. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Protector, Tentacle, Metering Box

Top 3
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Dongguan Guoyu Electronics Co., Ltd
Overall Score4.7 / 5
Est. Date2010-01-26
Registered Capital1090K USD

Dongguan Guoyu Electronics Co., Ltd. is registered at Room 101, No. 43 Huangjiang East Ring Road, Huangjiang Town, Dongguan City, Guangdong Province. The registration authority is Dongguan Market Supervision Administration, and the legal representative is Huang Xianming. The business scope includes the production and sale of electrical products and their accessories, low-voltage electrical appliances (including circuit breakers, temperature protectors, temperature control switches, power switches, sockets, plugs). (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Protector, Overload Protector

TOP4
Dongguan Hongyu Plastic Co., Ltd
Overall Score4.6 / 5
Est. Date2017-03-27
Registered Capital1600K CNY

Dongguan Hongyu Plastic Co., Ltd. is registered at Room 188, No.1 Plastic Road, Zhangmutou Town, Dongguan City, Guangdong Province. The registration authority is Dongguan Market Supervision Administration, and the legal representative is Lv Aiming. Its business scope includes the sale of plastic raw materials, plastic additives, plastic pigments, plastic products, silicone raw materials, hardware and electrical equipment, electronic products and accessories, and other chemical products (excluding hazardous chemicals). (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Protector, Pom, Etfe

TOP5
Dongguan Henghao Electric Appliance Co., Ltd
Overall Score4.6 / 5
Est. Date2011-12-07
Registered Capital2000K CNY

Dongguan Henghao Electric Appliance Co., Ltd., with its registered address at No. 9, Lane 5, Shangtang Road, Shanggang, Gekeng Village, Hengli Town, Dongguan City, is registered with the Dongguan Municipal Administration for Market Regulation. The legal representative is Zhou Zhongcheng, and its business scope includes production and sales, processing, research and development, and design of temperature controllers, electronic products, household appliances, lighting fixtures, hardware products, and plastic products; Import and export of goods and technology.. Core products: Protector, Temperature Sensor, Temperature Switch Thermal Protector

TOP6
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: Protector, Control System, Optoelectronic Intelligent Disconnection System

TOP7
Tangshan Hanya Electrical Equipment Co., Ltd
Overall Score4.5 / 5
Est. Date2018-07-13
Registered Capital5000K CNY

Tangshan Hanya Electrical Equipment Co., Ltd., with its registered address at No. 201-1, Office Building 3, Hanhou Street, Modern Industrial Park, Lunan District, Tangshan City, Hebei Province, is registered with the Market Supervision and Administration Bureau of Lunan District, Tangshan City. The legal representative is Yang Rongjun, and its business scope includes general projects such as sales of electrical equipment; Sales of mechanical and electrical equipment; Sales of electrical accessories; Sales of power electronic components; Sales of valves and plugs; Sales of pumps and vacuum equipment; Retail of hardware products; Sales of security equipment; Sales of firefighting equipment; Sales of household appliances; Sales of communication equipment; Sales of office supplies; Retail of stationery supplies; Wholesale of computer software, hardware, and auxiliary equipment; Sales of instruments and meters; Import and export of goods; Technology import and export; Electrical equipment repair; General equipment repair; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion. (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: Protector, Applied, Digital Display Type

TOP8
Ningbo Feinade Electric Appliance Co., Ltd
Overall Score4.5 / 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: Protector, Sensor, Controller

TOP9
Ankerui Electric Co., Ltd
Overall Score4.4 / 5
Est. Date2003-06-23
Registered Capital250784.65499999997K CNY

Ankerui Electric Co., Ltd., with its registered address at No. 253 Yulu Road, Jiading District, Shanghai, is registered with the Shanghai Municipal Administration for Market Regulation. The legal representative is Zhou Zhong, and its business scope includes general projects: manufacturing of electrical instruments and meters; Manufacturing of intelligent instruments and meters; Manufacturing of capacitors and their supporting equipment; Manufacturing of transformers, rectifiers, and inductors; Manufacturing of power transmission, distribution and control equipment; Manufacturing of power electronic components; Manufacturing of lighting fixtures; Manufacturing of electrical signal equipment devices; Manufacturing of IoT devices; Manufacturing of industrial automatic control system devices; Manufacturing of distribution switch control equipment; Manufacturing of atmospheric pollution monitoring and detection instruments and meters; Manufacturing of specialized instruments and meters for environmental monitoring; Research and development of Internet of Things technology; Internet of Things technology services; Internet data service; Internet of Things application services; Software development; Information system integration services; Information system operation and maintenance services; Information technology consulting services; Computer system services; Industrial Internet data service; Manufacturing of information security equipment; Engineering management services; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Energy saving management services; Contract energy management; Energy storage technology services; Engineering and technical research and experimental development; Engineering and technical services (excluding planning management, survey, design, and supervision); Sales of charging stations; Sales of intelligent power transmission and distribution and control equipment; Sales of distribution switch control equipment; Sales of industrial automatic control system devices; Sales of capacitors and their supporting equipment; Sales of electrical signal equipment devices; Sales of power electronic components; Sales of electrical instruments and meters; Software sales; Sales of intelligent instruments and meters; Sales of lighting fixtures; Sales of IoT devices; Sales of information security equipment. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license.) Licensed project: sales of specialized products for computer information system security; Design of intelligent building systems; Construction project design; Construction project construction; 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. The specific business projects shall be subject to the approval documents or licenses issued by the relevant departments.). Core products: Protector, Current Sensor, Chest Of Drawers

TOP10
Shandong Pumei Intelligent Equipment Co., Ltd
Overall Score4.4 / 5
Est. Date2020-04-20
Registered Capital3000K CNY

Shandong Pumei Intelligent Equipment Co., Ltd., with its registered address located 1000 meters west of the town government in Shilipu Street, Rencheng District, Jining City, Shandong Province, is registered with the Market Supervision Administration of Rencheng District, Jining City. The legal representative is Li Qingrong, and the business scope includes general projects such as sales of intelligent robots; Sales of intelligent instruments and meters; Mechanical parts and component processing; Mining machinery manufacturing; Sales of mining machinery; Installation services for ordinary mechanical equipment; Installation and maintenance of industrial robots; Sales of railway transportation infrastructure equipment; Sales of railway transportation equipment; Sales of mechanical parts and components; Sales of hydraulic power machinery and components; Sales of construction machinery; Sales of agricultural machinery; Sales of specialized equipment for environmental protection; Sales of firefighting equipment; Sales of instruments and meters; Retail of computer software, hardware, and auxiliary equipment; Wholesale of computer software, hardware, and auxiliary equipment; Software sales; Software development; Sales of lubricating oil; Import and export of goods; Technology import and export; Manufacturing of pneumatic power machinery and components; Sales of pneumatic power machinery and components. (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: Protector, Sensor Class, Operating Equipment

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Jining Yongmei Mining Machinery Co., Ltd2014-11-25Protector, Speech Processing Module, Jyb100K CNYNot Supported
Shanghai Changkai Electric Appliance Co., Ltd2014-06-16Protector, Tentacle, Metering Box10000K CNYNot Supported
Dongguan Guoyu Electronics Co., Ltd2010-01-26Protector, Overload Protector1090K USDNot Supported
Dongguan Hongyu Plastic Co., Ltd2017-03-27Protector, Pom, Etfe1600K CNYNot Supported
Dongguan Henghao Electric Appliance Co., Ltd2011-12-07Protector, Temperature Sensor, Temperature Switch Thermal Protector2000K CNYNot Supported
Hefei Dingge Electric Power Technology Co., Ltd2010-04-28Protector, Control System, Optoelectronic Intelligent Disconnection System10000K CNYNot Supported
Tangshan Hanya Electrical Equipment Co., Ltd2018-07-13Protector, Applied, Digital Display Type5000K CNYNot Supported
Ningbo Feinade Electric Appliance Co., Ltd2019-12-04Protector, Sensor, Controller2000K CNYNot Supported
Ankerui Electric Co., Ltd2003-06-23Protector, Current Sensor, Chest Of Drawers250784.65499999997K CNYNot Supported
Shandong Pumei Intelligent Equipment Co., Ltd2020-04-20Protector, Sensor Class, Operating Equipment3000K CNYSupported

Purchasing Guide

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

  • For procurement requirements that require the use of protectors, it is recommended to prioritize checking key technical parameters such as voltage level and response time to ensure compatibility with existing equipment. Additional attention should be paid to the protection level and anti-interference ability in industrial scenarios.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and companies with industry data support. For example, suppliers who provide protectors for the power system for a long time usually have more stable performance verification records.
  • When applied in the petrochemical or new energy fields, it is recommended to choose protectors with explosion-proof or corrosion-resistant characteristics, as different scenarios have significant differences in sealing and material requirements.
  • When purchasing protectors, it is usually necessary to combine the industry data support of suppliers, such as screening enterprises with high bidding rates in the past three years through platform statistical information, in order to reduce procurement risks.

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