Updated Sep 2, 2026 · Public platform & industry data

Sep 2, 2026 Updated

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2026 Top 10 Open Circuit Manufacturers in China Jiangsu

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

The top 10 Open Circuit manufacturers in Jiangsu for 2026 are: Changzhou Maizi Automation Technology Co., Ltd, Suzhou Hard Control Technology Co., Ltd, Nanjing Shanwu Automation System Co., Ltd, Jiangsu Ankerui Microgrid Research Institute Co., Ltd, Nanjing Xiangwang Material Recycling Co., Ltd, Jiangsu Daquan Kaifan E-commerce Co., Ltd, Hongyuan Timber Factory in Shuyang County, Wuxi Hongchen Electric Co., Ltd, Kunshan Xingweilian Electric Co., Ltd, Jiangsu Ankerui Electric Appliance Manufacturing 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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Changzhou Maizi Automation Technology Co., Ltd
Overall Score4.9 / 5
Est. Date2012-04-13
Registered Capital1000K CNY

Changzhou Maizi Automation Technology Co., Ltd., with its registered address at 6th Floor, Building 7, Automotive Intelligent Parts Industrial Park, No. 6 Beitanghedong Road, Tianning District, Changzhou City. The registration authority is the Tianning District Government Service Management Office of Changzhou City, and the legal representative is Cai Haiyan. Its business scope includes sales, maintenance, debugging, technical development, and technical services of automation equipment, electronic products, computers and accessories, intelligent control systems, and instruments and meters; Design and construction of electromechanical engineering and environmental protection engineering; Import and export business of various commodities and technologies through self operation and agency (excluding 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: Open Circuit, Tecna Italy, Socket Wrench

Top 2
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Suzhou Hard Control Technology Co., Ltd
Overall Score4.8 / 5
Est. Date2010-12-10
Registered Capital1000K CNY

Suzhou Hard Control Technology Co., Ltd., registered at Room 407, Building 2, Chenlei Science and Technology Park, No.1 Qunxing 1st Road, Suzhou Industrial Park (this address is not allowed to engage in retail), registered with the Suzhou Industrial Park Administrative Approval Bureau, with Yang Bo as the legal representative. Its business scope includes licensed projects: import and export agency (projects that require approval according to law can only be carried out after approval by relevant departments, and specific business projects are subject to approval results), general projects: complete sets of nuclear power equipment and engineering technology research and development; Sales of solar thermal power generation equipment; Sales of electrical equipment; Manufacturing of transformers, rectifiers, and inductors; Sales of wind farm related equipment; Manufacturing of power transmission, distribution and control equipment; Sales of offshore wind power related equipment; Sales of solar thermal power generation products; Sales of intelligent power transmission and distribution and control equipment; Manufacturing of distribution switch control equipment; Manufacturing of electrical signal equipment devices; Research and development of wind farm related systems; Software development; Software sales; Wholesale of electronic components; Sales of electronic components and electromechanical equipment; Sales of metal chains and other metal products; Sales of electronic specialized equipment; Sales of electronic measuring instruments; Sales of electrical and mechanical equipment; Sales of building decoration materials; Wholesale of hardware products; Sales of mechanical parts and components; Sales of distribution switch control 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: Open Circuit, Molded Case Circuit Breaker, Low-Voltage Frequency Converter

Top 3
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Nanjing Shanwu Automation System Co., Ltd
Overall Score4.8 / 5
Est. Date2003-01-29
Registered Capital5000K CNY

Nanjing Shanwu Automation System Co., Ltd., with its registered address at Room 303, Building 01, Central Jindi, No. 61 Jianning Road, Gulou District, Nanjing City, is registered with the Administrative Approval Bureau of Gulou District, Nanjing City. The legal representative is Zhao Guiqiong, and the business scope includes the sales of automatic control equipment and accessories, electromechanical products, instruments, pneumatic hydraulic products, high and low pressure electrical control products, computers and consumables, and lubricating oil; Installation and sales of electronic components; Design, manufacturing, and sales of mechanical and electrical equipment; Research and sales of industrial automation control systems; Computer software design, research and development, and sales. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Open Circuit, Alarm Light, Sensor

TOP4
Jiangsu Ankerui Microgrid Research Institute Co., Ltd
Overall Score4.7 / 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: Open Circuit, Electric Scooter Charging Station Operation Cloud Platform, Artm Series Online Temperature Measurement Device

TOP5
Nanjing Xiangwang Material Recycling Co., Ltd
Overall Score4.7 / 5
Est. Date2020-06-17
Registered Capital500K CNY

Nanjing Xiangwang Material Recycling Co., Ltd., registered at 1-461, Zone A, Datong Ecological Industry Park, No. 298 Lidao Road, Baguazhou Street, Qixia District, Nanjing City, registered with the Administrative Approval Bureau of Qixia District, Nanjing City, with Shao Yuanxu as the legal representative. Its business scope includes general projects: recycling of renewable resources (excluding productive waste metals); Research and development of resource recycling technology; Electronic product sales; Operation of wires and cables; Sales of building decoration materials; Sales of mechanical equipment; Retail of computer software, hardware, and auxiliary equipment; Sales of plastic products; Sales of electrical equipment; Sales of synthetic materials; Wholesale of electronic components; Retail of electronic components; Construction of landscaping and greening projects; Professional cleaning, washing, and disinfection services; Home service; Information consulting services (excluding licensed information consulting services); Sales of renewable resources; Sales of network 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: Open Circuit, Touch Screen Recycling, Servo Drive Recycling

TOP6
Jiangsu Daquan Kaifan E-commerce Co., Ltd
Overall Score4.6 / 5
Est. Date2019-05-06
Registered Capital10000K CNY

Jiangsu Daquan Kaifan E-commerce Co., Ltd., registered at No. 28 Yinlong Road, Moling Street, Jiangning District, Nanjing City (Jiangning Development Zone), registered with the Jiangning District Administrative Approval Bureau of Nanjing City, with Xu Xiang as the legal representative. Its business scope includes e-commerce; Computer information technology research and development, technology transfer, technology services, and technology consulting; Research and sales of computer software, hardware, and auxiliary equipment; Installation and sales of electromechanical equipment and accessories, communication equipment, and electrical equipment; Communication engineering construction; Design, produce, represent, and publish various types of domestic advertisements; Enterprise management consulting; Marketing planning; Research and development of instruments, electronic components, and automation systems for power transmission and transformation; Sales of instruments and meters, electronic components, lighting equipment, outdoor products, cleaning supplies, labor protection supplies, and metal products; Import and export business of various commodities and technologies through self operation and agency (excluding 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: Open Circuit, Kfw2, Kfm2e

TOP7
Hongyuan Timber Factory in Shuyang County
Overall Score4.6 / 5
Est. Date2001-09-26
Registered Capital2000K CNY

Hongyuan Timber Factory in Shuyang County, with its registered address located in Gaoshu Village, Qixiong Town, Shuyang County. The registration authority is the Shuyang County Market Supervision Administration, and the legal representative is Ding Zhanli. Its business scope includes processing and sales of wooden products; Sales of daily necessities, clothing, shoes and hats, fishing gear, cleaning supplies, sports equipment, agricultural and sideline products, simulated flowers, simulated plants, dried flowers, flowers, seedlings, packaged seeds that are no longer packaged, household items, building materials, pet food, pet supplies, automotive supplies, toys, musical instruments, outdoor sports products, security supplies, packaging bags, medium and low voltage distribution equipment, power tools, chemical products (excluding hazardous chemicals), welding materials, personal protective equipment, metal products, cleaning supplies, manual tools, instruments and meters, public facilities, fastening seals, pneumatic hydraulic pressure tools, laboratory supplies, lifting equipment, electronic components, sensors, electrical accessories, wires and cables, handling and storage equipment, food (operating within the scope approved by the license); The sentence is:; Online trade agency; Import and export business of various commodities and technologies through self operation and agency (excluding 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: Open Circuit, Socket Wrench, Extended Cross Hammer Drill Bit

TOP8
Wuxi Hongchen Electric Co., Ltd
Overall Score4.6 / 5
Est. Date2014-04-03
Registered Capital5000K CNY

Wuxi Hongchen Electric Co., Ltd., with its registered address at 1616, No. 137, Huishan Wanda Commercial Plaza, No. 321 Wuyun Road, Huishan District, Wuxi City (Development Zone), is registered with the Huishan District Administrative Approval Bureau of Wuxi City. The legal representative is Fu Yongxiang. The company's business scope includes technical development, technical consulting, sales, and maintenance of electrical machinery and equipment, instruments and meters, electronic components, communication products, electronic products (excluding satellite TV broadcasting ground receiving facilities and transmitting devices), automation equipment and accessories, computer software and hardware and their auxiliary equipment, design and construction of building intelligent system engineering, sales of general machinery and accessories, construction machinery and accessories, stationery supplies, hardware and electrical equipment. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Open Circuit, Schneider Soft Starter,

TOP9
Kunshan Xingweilian Electric Co., Ltd
Overall Score4.4 / 5
Est. Date2018-04-30
Registered Capital9000K CNY

Kunshan Xingweilian Electric Co., Ltd., with its registered address at Room 4, No. 568, Junjin Road, Zhangpu Town, Kunshan City, registered with Kunshan Data Bureau, and represented by Hong Yicong as its legal representative. Its business scope includes technology development, technical consulting, technical services, and technology transfer in the field of electrical automation technology; Design, manufacturing, and sales of electronic products and accessories, electrical equipment, security equipment, mechanical equipment and accessories, and communication equipment; Sales of instruments, sensors, building materials, hardware and electrical equipment, electronic components, wires and cables, metal tools, metal fixtures, metal jigs, hydraulic components, and office supplies; Import and export business of goods and technology. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Open Circuit, Heavy Load Plug, Panel Interface

TOP10
Jiangsu Ankerui Electric Appliance Manufacturing Co., Ltd
Overall Score4.4 / 5
Est. Date2004-12-14
Registered Capital326860.2K CNY

Jiangsu Ankerui Electric Appliance Manufacturing Co., Ltd., registered at No. 5 ASEAN Road, Nanzha Street, Jiangyin City (business premises: No. 31 Hongtu Road, Nanzha Street, Jiangyin City), registered with Jiangyin Data Bureau, with Zhou Zhong as the legal representative, and its business scope includes general projects: manufacturing of electrical instruments and meters; Sales of electrical instruments and meters; Manufacturing of specialized instruments and meters for environmental monitoring; Sales of specialized instruments and meters for environmental monitoring; Manufacturing of supply instruments and meters; Sales of supply instruments and meters; Manufacturing of transformers, rectifiers, and inductors; Battery manufacturing; Battery sales; Manufacturing of communication equipment; Sales of communication equipment; Manufacturing of lighting fixtures; Sales of lighting fixtures; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of photovoltaic equipment and components; Manufacturing of IoT devices; Sales of IoT devices; Manufacturing of photovoltaic equipment and components; Manufacturing of industrial automatic control system devices; Research and development of Internet of Things technology; Sales of industrial automatic control system devices; Electronic product sales; Sales of advanced power electronic devices; Internet of Things technology services; Software development; Software sales; Manufacturing of power transmission, distribution and control equipment; Sales of intelligent power transmission and distribution and control equipment; Research and development of distribution switch control equipment; Manufacturing of distribution switch control equipment; Sales of distribution switch control equipment; Industrial Internet data service; Research and development of emerging energy technologies; Sales of electric accessories for new energy vehicles; Energy storage technology services; Sales of charging stations; Information system integration services; Intelligent control system integration; Research and development of online energy monitoring technology; Operational efficiency evaluation service; Development of intelligent water management system; Fire technology services; Technology import and export; Import and export of goods; Internet of Things application services; Information system operation and maintenance services; Information technology consulting services; Computer system services; Engineering management services; Energy saving management services; Engineering and technical services (excluding planning management, survey, design, and supervision); Contract energy management (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: Open Circuit, Adf300l Series Multi-User Measuring Box, Dds/Dts/Adl Series Electric Energy Meters

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Changzhou Maizi Automation Technology Co., Ltd2012-04-13Open Circuit, Tecna Italy, Socket Wrench1000K CNYNot Supported
Suzhou Hard Control Technology Co., Ltd2010-12-10Open Circuit, Molded Case Circuit Breaker, Low-Voltage Frequency Converter1000K CNYNot Supported
Nanjing Shanwu Automation System Co., Ltd2003-01-29Open Circuit, Alarm Light, Sensor5000K CNYNot Supported
Jiangsu Ankerui Microgrid Research Institute Co., Ltd2019-06-21Open Circuit, Electric Scooter Charging Station Operation Cloud Platform, Artm Series Online Temperature Measurement Device35000K CNYNot Supported
Nanjing Xiangwang Material Recycling Co., Ltd2020-06-17Open Circuit, Touch Screen Recycling, Servo Drive Recycling500K CNYNot Supported
Jiangsu Daquan Kaifan E-commerce Co., Ltd2019-05-06Open Circuit, Kfw2, Kfm2e10000K CNYNot Supported
Hongyuan Timber Factory in Shuyang County2001-09-26Open Circuit, Socket Wrench, Extended Cross Hammer Drill Bit2000K CNYSupported
Wuxi Hongchen Electric Co., Ltd2014-04-03Open Circuit, Schneider Soft Starter, 5000K CNYNot Supported
Kunshan Xingweilian Electric Co., Ltd2018-04-30Open Circuit, Heavy Load Plug, Panel Interface9000K CNYNot Supported
Jiangsu Ankerui Electric Appliance Manufacturing Co., Ltd2004-12-14Open Circuit, Adf300l Series Multi-User Measuring Box, Dds/Dts/Adl Series Electric Energy Meters326860.2K CNYNot Supported

Purchasing Guide

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

  • For procurement requirements that require the use of circuit breakers, it is recommended to prioritize checking key parameters such as rated current and breaking capacity to ensure compatibility with the load characteristics of the existing power system. In industrial scenarios, short-circuit withstand strength should also be considered.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and companies with industry data support. For example, data centers or manufacturing production lines have high requirements for the response speed of circuit breakers and need to be evaluated based on the supplier's past cases.
  • In the upgrade project of the power distribution system, it is necessary to distinguish the application scenarios of circuit breakers. For example, building distribution cabinets focus on compact design, while photovoltaic power stations need to consider special functions such as DC arc protection.
  • When purchasing circuit breakers, industry platforms can be used to compare supplier supply stability with statistical information. It is also recommended to pay attention to whether the enterprise has complete testing reports, but there is no need to excessively pursue non essential high specification configurations.

Knowledge Base

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Circuit breaker wiring fastening bolts are important connectors in power systems, and multiple factors need to be considered when selecting, such as material, size, strength, etc. This article will introduce how to correctly select circuit breaker wiring fastening bolts.

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An open circuit in an oxygen sensor usually refers to a fault that occurs in the oxygen sensor circuit, causing the oxygen sensor to malfunction. This article will introduce the role of oxygen sensors in automotive operation, the working principle of oxygen sensors, and the performance and handling methods of oxygen sensor circuit breakers.

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