Updated Sep 16, 2026 · Public platform & industry data

Sep 16, 2026 Updated

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2026 Top 10 Current Transformer Manufacturers in China Shanghai

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

The top 10 Current Transformer manufacturers in Shanghai for 2026 are: Shanghai Qiantuo Trading Co., Ltd, Beiying Electronic Technology (Shanghai) Co., Ltd, Chengdu Shanrong Electromechanical Equipment Co., Ltd, Shanghai Changkai Electric Appliance Co., Ltd, Shanghai Qinuo Electromechanical Technology Co., Ltd, Shanghai Hanshi Electric Automation Equipment Co., Ltd, Shanghai Maohui Industrial Co., Ltd, Shanghai Yukai Electric Power Technology Co., Ltd, Shanghai Aiyou Automation Technology Co., Ltd, Shenmo (Shanghai) Automation 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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ShanghaiShanghai
Top 1
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Shanghai Qiantuo Trading Co., Ltd
Overall Score4.9 / 5
Est. Date2008-09-18
Registered Capital2000K CNY

Shanghai Qiantuo Trading Co., Ltd., with its registered address at Room 713, Lane 99, Jiayong Road, Jiading District, Shanghai, is registered with the Jiading District Market Supervision Bureau. The legal representative is Dan Rongbing, and its business scope includes the sale of mechanical equipment, hardware tools, instruments and meters, electronic components, chemical raw materials (excluding hazardous chemicals, monitoring chemicals, fireworks and firecrackers, civilian explosives, and precursor chemicals), building decoration materials, computers and accessories, lighting appliances, automotive and motorcycle accessories, daily necessities, metal products, textiles, and office supplies. It engages in the import and export of goods and technology. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Current Transformer, Rotate The Handle, Boosting Cylinder Piston

Top 2
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Beiying Electronic Technology (Shanghai) Co., Ltd
Overall Score4.7 / 5
Est. Date2014-01-27
Registered Capital1000K CNY

Beiying Electronic Technology (Shanghai) Co., Ltd., with its registered address at Room AF110, Building 22, No. 1-30, Lane 88, Minbei Road, Minhang District, Shanghai, is registered with the Minhang District Market Supervision and Administration Bureau. The legal representative is Li Jinlin, and the business scope includes technical consulting, technical services, technical development, technology transfer in the field of electronic technology, sales of mechanical equipment and accessories, metal materials and products, hardware and electrical equipment, electronic equipment, communication equipment, fire-fighting equipment, household appliances, power equipment, audio equipment, office supplies and equipment, labor protection supplies, building decoration materials, computers, software and auxiliary equipment, installation and maintenance of mechanical equipment, leasing of instruments and equipment, and import and export of goods and technology. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Current Transformer, Brook, German Gmc-I

Top 3
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Chengdu Shanrong Electromechanical Equipment Co., Ltd
Overall Score4.7 / 5
Est. Date2017-05-04
Registered Capital2000K CNY

Chengdu Shanrong Electromechanical Equipment Co., Ltd., with its registered address at No. 6 Linjiang Middle Road, Xinnanmen, Wuhou District, Chengdu, is registered with the Wuhou District Market Supervision and Administration Bureau. The legal representative is Dan Rongbing, and its business scope includes general projects such as mechanical equipment sales; Wholesale of hardware products; Sales of intelligent instruments and meters; Wholesale of electronic components; Sales of metal products; Needle textile sales; Wholesale of stationery supplies; Sales of industrial automatic control system devices; Sales of instruments and meters; Sales of hydraulic power machinery and components; Retail of hardware products; Sales of pumps and vacuum equipment; Sales of pneumatic power machinery and components; Sales of power electronic components; Retail of motorcycles and spare parts; Sales of chemical products (excluding licensed chemical products); Retail of computer software, hardware, and auxiliary equipment; Sales of electrical equipment; Sales of office supplies; Information technology consulting services; 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: Current Transformer, Diaphragm Valve, Solenoid Valve

TOP4
Shanghai Changkai Electric Appliance Co., Ltd
Overall Score4.6 / 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: Current Transformer, Ceramic/Composite Wall Sleeve, Porcelain Insulator

TOP5
Shanghai Qinuo Electromechanical Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2014-11-14
Registered Capital2000K CNY

Shanghai Qinuo Electromechanical Technology Co., Ltd., with its registered address at 5th Floor, No. 505 Xincun Road, Putuo District, Shanghai, registered with the Putuo District Market Supervision Administration, and represented by Du Peijie as its legal representative. Its business scope includes general projects such as sales of electronic components and electromechanical equipment; Sales of mechanical equipment; Retail of computer software, hardware, and auxiliary equipment; Sales of industrial control computers and systems; Information technology consulting services; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of electrical equipment; Operation of wires and cables; Sales of building decoration materials; Retail of hardware products; Sales of instruments and meters; Electronic product sales; Sales of metal materials; Sales of chemical products (excluding licensed chemical products); Sales of valves and plugs; Sales of specialized equipment for environmental protection; Furniture sales; Sales of household items; Sales of plastic products; Sales of daily necessities; Retail of shoes and hats; Clothing and apparel retail. (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: Current Transformer, Pearson, Ckd Solenoid Valve

TOP6
Shanghai Hanshi Electric Automation Equipment Co., Ltd
Overall Score4.5 / 5
Est. Date2008-07-29
Registered Capital5000K CNY

Shanghai Hanshi Electrical Automation Equipment Co., Ltd., registered at 2392A, 1st Floor, No. 199 Shi Yi Road, Baoshan District, Shanghai, with the Baoshan District Market Supervision and Administration Bureau as the registration authority and Ma Zecheng as the legal representative, engages in the wholesale and retail of electrical automation equipment, power equipment, electromechanical equipment, pipelines and accessories, fire-fighting equipment, hardware tools, household appliances, communication equipment, office supplies, computers, software and auxiliary equipment, general labor protection supplies, lubricants, craft gifts, advertising materials, manufacturing and processing of instruments and metal products (limited to branch operations), wholesale and retail, processing of steel structural components (limited to branch operations), wholesale and retail, design of power equipment, and engages in the import and export of goods and technology import and export. Oral business. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Current Transformer, Fde, Eocr-3Mz2/Fmz2

TOP7
Shanghai Maohui Industrial Co., Ltd
Overall Score4.5 / 5
Est. Date2015-12-21
Registered Capital1000K CNY

Shanghai Maohui Industrial Co., Ltd., with its registered address at Room 508, 1080 Moyu South Road, Anting Town, Jiading District, Shanghai, registered with the Jiading District Market Supervision Administration, represented by Zhang Jinfeng as the legal representative. Its business scope includes general projects such as sales of distribution switch control equipment; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Software development; Sales of power electronic components; Sales of industrial automatic control system devices; Sales of mechanical and electrical equipment; Sales of electrical equipment; Sales of mechanical equipment; Sales of instruments and meters; Wholesale of hardware products; Retail of hardware products; Sales of office supplies; Electronic product sales; Sales of communication equipment; Wholesale of electronic components; Retail of electronic components; Sales of building materials; Wholesale of computer software, hardware, and auxiliary equipment; Retail of computer software, hardware, and auxiliary equipment; Sales of lighting fixtures; Operation of wires and cables; Sales of metal materials; Bearing sales; Sales of spare parts for water transportation equipment; Sales of refrigeration and air conditioning equipment; Sales of specialized equipment for environmental protection; Sales of valves and plugs; Information consulting services (excluding licensed information consulting services); Advertising design and agency; Advertising production; Advertising release. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license.) Licensed project: construction project construction. (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: Current Transformer, Changeover Switch, Servo Drive

TOP8
Shanghai Yukai Electric Power Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2014-05-28
Registered Capital31080K CNY

Shanghai Yukai Electric Power Technology Co., Ltd., with its registered address at Room 3397, Building 4, No. 1628 Lizheng Road, Shuyuan Town, Pudong New Area, is registered with the Pudong New Area Market Supervision Bureau. The legal representative is Zhang Daguan, and its business scope includes the research and development, manufacturing, processing, and sales of power switches, distribution switch control equipment, high and low voltage electrical appliances and complete sets of equipment, electrical equipment, hardware and electrical equipment, wires and cables, lamps, and instruments. It is engaged in the import and export of goods and technology. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Current Transformer, Indoor High-Voltage Vacuum Circuit Breaker, Ring Main Unit

TOP9
Shanghai Aiyou Automation Technology Co., Ltd
Overall Score4.4 / 5
Est. Date2008-11-12
Registered Capital5000K CNY

Shanghai Aiyou Automation Technology Co., Ltd., with its registered address at Room 201D, Building 6, No. 438 Xinnongpuyin Road, Zhujing Town, Jinshan District, Shanghai, is registered with the Jinshan District Market Supervision Bureau. The legal representative is Ou Fei, and its business scope includes technology development, technical consulting, and technical services in the field of automation system equipment, mechanical and electrical equipment, lifting equipment, electrical complete sets of equipment, instruments and meters, electronic products, hardware and electrical equipment, hydraulic and pneumatic equipment, pipeline fittings, valves, mechanical accessories, computers, software, and auxiliary equipment (except for computer information system security specialized products), and sales of office and cultural supplies. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Current Transformer, Siemens Apt Warning Light, Siemens Apt Limit Switch

TOP10
Shenmo (Shanghai) Automation Equipment Co., Ltd
Overall Score4.4 / 5
Est. Date2016-03-30
Registered Capital5000K CNY

Shenmo (Shanghai) Automation Equipment Co., Ltd., with its registered address at Building 8, No. 8188 Daye Road, Fengxian District, Shanghai, registered with the Market Supervision Administration of Fengxian District, and represented by Liu Xueyan as its legal representative. Its business scope includes the processing (limited to branch operations) and sales of automation control equipment; Retail and wholesale of instruments and meters, hardware and electrical equipment, electrical appliances, office equipment, steel, building materials, computer software and hardware and accessories, electronic products, communication equipment, and electrical products; Engaged in import and export business of goods and technology. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Current Transformer, Filter Element

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Shanghai Qiantuo Trading Co., Ltd2008-09-18Current Transformer, Rotate The Handle, Boosting Cylinder Piston2000K CNYNot Supported
Beiying Electronic Technology (Shanghai) Co., Ltd2014-01-27Current Transformer, Brook, German Gmc-I1000K CNYNot Supported
Chengdu Shanrong Electromechanical Equipment Co., Ltd2017-05-04Current Transformer, Diaphragm Valve, Solenoid Valve2000K CNYNot Supported
Shanghai Changkai Electric Appliance Co., Ltd2014-06-16Current Transformer, Ceramic/Composite Wall Sleeve, Porcelain Insulator10000K CNYNot Supported
Shanghai Qinuo Electromechanical Technology Co., Ltd2014-11-14Current Transformer, Pearson, Ckd Solenoid Valve2000K CNYNot Supported
Shanghai Hanshi Electric Automation Equipment Co., Ltd2008-07-29Current Transformer, Fde, Eocr-3Mz2/Fmz25000K CNYNot Supported
Shanghai Maohui Industrial Co., Ltd2015-12-21Current Transformer, Changeover Switch, Servo Drive1000K CNYNot Supported
Shanghai Yukai Electric Power Technology Co., Ltd2014-05-28Current Transformer, Indoor High-Voltage Vacuum Circuit Breaker, Ring Main Unit31080K CNYNot Supported
Shanghai Aiyou Automation Technology Co., Ltd2008-11-12Current Transformer, Siemens Apt Warning Light, Siemens Apt Limit Switch5000K CNYNot Supported
Shenmo (Shanghai) Automation Equipment Co., Ltd2016-03-30Current Transformer, Filter Element5000K CNYNot Supported

Purchasing Guide

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

  • In the actual procurement process of current transformers, it is necessary to clarify key parameters based on application scenarios (such as power system monitoring, industrial equipment protection, etc.), including rated current ratio, accuracy level, and frequency range, to ensure compatibility with existing equipment.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and companies with industry data support or platform statistical information. Such suppliers usually provide more stable technical support and after-sales service guarantee.
  • For different usage scenarios (such as new energy generation or rail transit), it is recommended to choose current transformers with corresponding environmental adaptability (such as high temperature resistance or anti-interference ability) to extend the service life of the equipment.
  • When purchasing, attention should be paid to the standardization level of product specifications, such as current transformers that comply with IEC or GB standards, which can reduce the debugging costs and risks in subsequent system integration.

Knowledge Base

Q

This article analyzes how to choose a suitable current transformer when measuring 35A current with a 380V power supply, including parameter matching principles, installation precautions, and common misconceptions, to help readers quickly grasp the key points of selection.

Q

This article introduces the concepts of ammeter and transformer, analyzes the feasibility and application scenarios of ammeter parallel transformer, provides practical circuit solutions, and discusses their advantages and disadvantages.

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