Updated Sep 6, 2026 · Public platform & industry data

Sep 6, 2026 Updated

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2026 Top 10 Ac Current Transformer Manufacturers in China

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Top-rated Ac Current Transformer suppliers, How to choose a Ac Current Transformer manufacturer, Best Ac Current Transformer companies in China

The top 10 Ac Current Transformer manufacturers in China for 2026 are: Ankerui Electric Co., Ltd, Wenzhou Naiyu Electric Co., Ltd, Guangzhou Yangming Electric Co., Ltd, Wuxi Kesi Electronic Technology Co., Ltd, Shanghai Jidu Electric Technology Co., Ltd, Ankerui Electric Co., Ltd. Beijing Branch, Shanghai Changkai Electric Appliance Co., Ltd, Nanjing Bonaway Electronic Technology Co., Ltd, Shuyang County Kan Er Tan Yi E-commerce Co., Ltd, Shuyang County Jingzhao Department Store Center. 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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Ankerui Electric Co., Ltd
Overall Score4.9 / 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: Ac Current Transformer, Asd Switchgear Comprehensive Measurement And Control Device, Current Transformer

Top 2
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Wenzhou Naiyu Electric Co., Ltd
Overall Score4.7 / 5
Est. Date2021-08-03
Registered Capital1000K CNY

Wenzhou Naiyu Electric Co., Ltd., with its registered address in Xinguang Village, Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province, is registered with the Yueqing Market Supervision and Administration Bureau. The legal representative is Xie Hexiang, and the business scope includes general projects: manufacturing of distribution switch control equipment; Sales of distribution switch control equipment; Mold manufacturing; Mold sales; Manufacturing of power facilities and equipment; Sales of power facilities and equipment; Manufacturing of mechanical and electrical equipment; Sales of mechanical and electrical equipment; Manufacturing of power transmission, distribution and control equipment; Sales of intelligent power transmission and distribution and control equipment; Manufacturing of electrical accessories; Sales of electrical accessories; Sales of electrical equipment; Manufacturing of electrical signal equipment devices; Sales of electrical signal equipment devices; Research and development of distribution switch control equipment; Internet sales (except for the sale of goods that need to be licensed); Operation of wires and cables; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Manufacturing of electrical instruments and meters; Sales of electrical instruments and meters; Manufacturing of security equipment; Sales of firefighting equipment; Manufacturing of electronic components and electromechanical equipment; Sales of electronic components and electromechanical equipment; Sales of lighting fixtures; Mining machinery manufacturing; Sales of mining machinery; Manufacturing of hardware products; Retail of hardware products; Manufacturing of industrial automatic control system devices; Sales of industrial automatic control system devices (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). Licensed project: Manufacturing of wires and cables (projects that require approval by law can only be carried out after approval by relevant departments, and specific business projects are subject to the approval results).. Core products: Ac Current Transformer, Dc Contactor, Miniature Circuit Breaker

Top 3
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Guangzhou Yangming Electric Co., Ltd
Overall Score4.7 / 5
Est. Date2011-06-09
Registered Capital2000K CNY

Guangzhou Yangming Electric Co., Ltd., registered at No. 36 Likangnan 1st Street, Baiyun District, Guangzhou, with registered address at Shop 101 and Shop 102. The registration authority is the Market Supervision Administration of Baiyun District, Guangzhou, and the legal representative is Chen Jianfeng. The business scope includes wholesale of electrical equipment; Wholesale of instruments and meters; Wholesale of hardware products; Wholesale of electronic components; Wholesale of wires and cables; Retail of switches, sockets, terminal blocks, wires and cables, insulation materials; Wholesale trade of goods (excluding licensed and approved goods); Retail trade of goods (excluding licensed and approved goods); Manufacturing of electrical signal equipment devices; Manufacturing of intelligent electrical equipment; Manufacturing of electrical equipment; Manufacturing of distribution switch control equipment; Manufacturing of electrical accessories, distribution or control equipment parts; Manufacturing of electrical equipment; Manufacturing of electrical instruments and meters; Wholesale of electrical equipment; Retail of electrical equipment; Sales of electrical fittings; Stage lighting and sound equipment installation services; Lighting design services; Stage performance props service; Stage performance makeup services; Stage installation and construction services; Stage machinery design and installation services;. Core products: Ac Current Transformer, Time-Controlled Switch, Surge Protector

TOP4
Wuxi Kesi Electronic Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2008-08-25
Registered Capital5700K CNY

Wuxi Kesi Electronic Technology Co., Ltd., with its registered address at Room 501, Zone 2, Science and Technology Entrepreneurship Park, No. 34 Changjiang Road, New District, Wuxi City. The registration authority is the Administrative Approval Bureau of Wuxi National High tech Industrial Development Zone (Xinwu District, Wuxi City), and the legal representative is Zhu Jie. Its business scope includes the research and development, production, sales, and technical services of programmable controllers, programmable controller analog modules, industrial text displays, and touch screens; Sales of automation equipment, electronic components, and low-voltage electrical appliances; Technical services, technical consulting, and technology transfer. General projects: Manufacturing of power electronic components; Manufacturing of intelligent instruments and meters; Manufacturing of electronic components; Sales of electronic components and electromechanical equipment; Sales of power electronic components; Manufacturing of electronic measuring instruments; Manufacturing of mechanical and electrical equipment; Manufacturing of electronic components and electromechanical equipment; Sales of electronic specialized equipment; Sales of electronic measuring instruments; Manufacturing of industrial automatic control system devices; Sales of industrial automatic control system devices; Intelligent basic manufacturing equipment manufacturing; Manufacturing of instruments and meters; Industrial Internet data service; Manufacturing of distribution switch control equipment; Sales of distribution switch control equipment; Research and development of distribution switch control equipment; Manufacturing of electrical equipment; Manufacturing of power transmission, distribution and control equipment; Manufacturing of electrical accessories; Sales of intelligent power transmission and distribution and control equipment; Manufacturing of electrical instruments and meters; Manufacturing of transformers, rectifiers, and inductors; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Internet of Things technology services; Wire and cable business (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: Ac Current Transformer, Level Controller, Time Relay

TOP5
Shanghai Jidu Electric Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2020-10-13
Registered Capital1000K CNY

Shanghai Jidu Electric Technology Co., Ltd., with its registered address at Building 4, No. 9135 Zhufeng Road, Fengjing Town, Jinshan District, Shanghai (Shangcheng Community), is registered with the Jinshan District Market Supervision and Administration Bureau and represented by Chen Chunrui. Its business scope includes general projects such as technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of electrical and mechanical equipment; Sales of electrical equipment; Retail of daily household appliances; Sales of distribution switch control equipment; Sales of electrical instruments and meters; Sales of capacitors and their supporting equipment; Sales of generators and generator sets; Operation of wires and cables; Wholesale of electronic components; Retail of electronic components; Sales of power electronic components; Sales of pneumatic power machinery and components; Sales of instruments and meters; Internet sales (except for the sale of goods that need to be licensed); Domestic trade agency. (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: Ac Current Transformer, Ammeter, Surge Protector

TOP6
Ankerui Electric Co., Ltd. Beijing Branch
Overall Score4.5 / 5
Est. Date2020-12-14
Registered Capital-

Ankerui Electric Co., Ltd. Beijing Branch, with its registered address at Room 302, 3rd Floor, Building 4, No. 32 Jinyuan Road, Daxing District, Beijing. The registration authority is the Market Supervision Administration of Daxing District, Beijing, and the legal representative is Shi Yonghua. Its business scope includes technical consulting, technology transfer, and technical services; Information system integration and IoT technology services; Import and export of goods; Technology import and export; Selling electronic products, instruments, and batteries; Contract energy management; Energy saving management of electrical energy. (Market entities shall independently choose their business projects and carry out business activities in accordance with the law; for projects that require approval by law, they shall carry out business activities in accordance with the approved content after approval by relevant departments; they shall not engage in business activities prohibited or restricted by national and local industrial policies.). Core products: Ac Current Transformer, Electrical Safety Protection, Open-Loop Current Sensor

TOP7
Shanghai Changkai Electric Appliance Co., Ltd
Overall Score4.5 / 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: Ac Current Transformer, Ceramic/Composite Wall Sleeve, Porcelain Insulator

TOP8
Nanjing Bonaway Electronic Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2011-07-06
Registered Capital17000K CNY

Nanjing Bonaway Electronic Technology Co., Ltd., with its registered address at Building C13, Zhongke Innovation Industrial Park, No. 15 Lanxin Road, Pukou District, Nanjing City. The registration authority is the Pukou District Government Service Management Office of Nanjing City, and the legal representative is Tu Shanjun. Its business scope includes power equipment, electrical equipment, instruments and meters, industrial automatic control system devices, and computer software and hardware development; Manufacturing, sales, technical consulting, and technical services of photovoltaic generators and power generation equipment, digital products, communication equipment, and spare parts; Sales of hardware, electrical equipment, and daily necessities; 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: Ac Current Transformer, Low Voltage Current Transformer,

TOP9
Shuyang County Kan Er Tan Yi E-commerce Co., Ltd
Overall Score4.4 / 5
Est. Date2021-08-19
Registered Capital1000K CNY

Shuyang Kaner Tanyi E-Commerce Co., Ltd., with its registered address at No. 230, Xinqiao Group, Zhangji Village, Zhangji Street, Shuyang County, Suqian City, its registration authority is Shuyang County Market Supervision Administration, and its legal representative is Zhou Yejun. Its business scope includes general projects: Internet sales (except for the sale of goods that need to be approved according to law) (in addition to the projects that need to be approved according to law, it carries out business activities independently according to law with its business license). Core products: Ac Current Transformer, Bath Heat Exchanger, Projector Hd Cable

TOP10
Shuyang County Jingzhao Department Store Center
Overall Score4.4 / 5
Est. Date2017-08-18
Registered Capital1000K CNY

Jingzhao Department Store Center in Shuyang County, with its registered address located at the south end of Guantian Street, Qixiong Street, Shuyang County. The registration authority is Shuyang County Market Supervision and Administration Bureau, and the legal representative is Zhou Chang. Its business scope includes daily necessities, clothing, shoes, hats, fishing gear, toiletries, sports equipment, agricultural and sideline products, simulated flowers, simulated plants, dried flowers, flowers, packaged seeds that are no longer packaged, household goods, building materials, pet food, pet supplies, automotive supplies, toys, musical instruments, and outdoor sports products sales; 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). (Items that need to be approved according to law can only be operated after being approved by relevant departments) General items: Internet sales (except for the sale of commodities that need to be approved according to law) (except for items that need to be approved according to law, business activities can be carried out independently according to law with the business license). Core products: Ac Current Transformer, Adjustable Speed Motor, Baby Sitting Board

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Ankerui Electric Co., Ltd2003-06-23Ac Current Transformer, Asd Switchgear Comprehensive Measurement And Control Device, Current Transformer250784.65499999997K CNYNot Supported
Wenzhou Naiyu Electric Co., Ltd2021-08-03Ac Current Transformer, Dc Contactor, Miniature Circuit Breaker1000K CNYNot Supported
Guangzhou Yangming Electric Co., Ltd2011-06-09Ac Current Transformer, Time-Controlled Switch, Surge Protector2000K CNYNot Supported
Wuxi Kesi Electronic Technology Co., Ltd2008-08-25Ac Current Transformer, Level Controller, Time Relay5700K CNYNot Supported
Shanghai Jidu Electric Technology Co., Ltd2020-10-13Ac Current Transformer, Ammeter, Surge Protector1000K CNYNot Supported
Ankerui Electric Co., Ltd. Beijing Branch2020-12-14Ac Current Transformer, Electrical Safety Protection, Open-Loop Current Sensor-Not Supported
Shanghai Changkai Electric Appliance Co., Ltd2014-06-16Ac Current Transformer, Ceramic/Composite Wall Sleeve, Porcelain Insulator10000K CNYNot Supported
Nanjing Bonaway Electronic Technology Co., Ltd2011-07-06Ac Current Transformer, Low Voltage Current Transformer, 17000K CNYNot Supported
Shuyang County Kan Er Tan Yi E-commerce Co., Ltd2021-08-19Ac Current Transformer, Bath Heat Exchanger, Projector Hd Cable1000K CNYNot Supported
Shuyang County Jingzhao Department Store Center2017-08-18Ac Current Transformer, Adjustable Speed Motor, Baby Sitting Board1000K CNYSupported

Purchasing Guide

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

  • For procurement requirements that require the use of AC current transformers, it is recommended to prioritize confirming key technical parameters such as rated current ratio, accuracy level, and frequency range to ensure compatibility with power monitoring or energy metering systems.
  • In industrial automation or new energy generation scenarios, suitable protection levels (such as IP54 or higher) and structural types (open or closed) of AC current transformers should be selected according to the installation environment.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and enterprises with industry data support or platform statistical information to balance technical adaptability and supply chain stability.
  • For different application scenarios (such as distribution cabinet integration or high-voltage line monitoring), it is recommended to select based on the type of secondary output signal (such as 4-20mA or 0-5V) and the interface requirements of the backend equipment.

Knowledge Base

Q

Current transformer is one of the indispensable and important components in the power system. If it is selected too small, it will have a negative impact on the entire system. This article will introduce the consequences and countermeasures of selecting a smaller current transformer.

Q

This article analyzes the working principle and output characteristics of current transformers, clarifies that their output is AC signal rather than DC, and explores their practical application scenarios and precautions in industrial measurement.

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