Updated Aug 13, 2026 · Public platform & industry data

Aug 13, 2026 Updated

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2026 Top 10 Isolation Transformer Manufacturers in China Shanghai

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

The top 10 Isolation Transformer manufacturers in Shanghai for 2026 are: Yancheng Weida Transformer Manufacturing Co., Ltd, Shanghai Chuxin Electric Technology Co., Ltd, Beijing Weier Zhongdian Technology Co., Ltd, Shanghai Jinsheng Electrical Equipment Manufacturing Co., Ltd, Shanghai Laichen Electrical Equipment Manufacturing Co., Ltd, Zhejiang Quan (Shanghai) Electrical Equipment Manufacturing Co., Ltd, Shanghai Huyong Electrical Equipment Manufacturing Co., Ltd, Shanghai Weimin Electrical Equipment Manufacturing Co., Ltd, Shiguan Electric (Shanghai) Co., Ltd, Shanghai Tianxi Electrical Equipment 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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ShanghaiShanghai
Top 1
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Yancheng Weida Transformer Manufacturing Co., Ltd
Overall Score4.9 / 5
Est. Date2006-06-15
Registered Capital52380K CNY

Yancheng Weida Transformer Manufacturing Co., Ltd. is registered at Building 1, No. 602 Longteng Road, Longgang Town, Yandu District, Yancheng City. The registration authority is the Yandu District Administrative Approval Bureau of Yancheng City, and the legal representative is Wang Cuirong. Its business scope includes the manufacturing, design, and installation of mobile substations, dry-type mining power transformers, transformer accessories, electrical accessories, wire and cable manufacturing, design, and sales, as well as the production and sales of amorphous alloy and coiled iron core energy-saving distribution transformers. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Isolation Transformer, Low Voltage Protection Box, Kbsg Series

Top 2
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Shanghai Chuxin Electric Technology Co., Ltd
Overall Score4.7 / 5
Est. Date2016-05-23
Registered Capital1000K CNY

Shanghai Chuxin Electric Technology Co., Ltd., with its registered address at Room 2672, No. 2799 Fengzhe Road, Qingcun Town, Fengxian District, Shanghai, is registered with the Market Supervision Bureau of Fengxian District. The legal representative is Zhang Yan, and the business scope includes technology development, technical consulting, technical services, and technology transfer in the fields of electrical technology, electronic technology, and computer technology. The company also engages in wholesale and retail of power equipment, power equipment, mechanical equipment and accessories, electromechanical equipment and accessories, control equipment manufacturing and processing (limited to branch operations), wholesale and retail of high and low voltage distribution cabinets, instruments and meters, hardware products, and computer information system integration. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Isolation Transformer, High Frequency Inverter Power Supply, Low Voltage High Current Dc Power Supply

Top 3
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Beijing Weier Zhongdian Technology Co., Ltd
Overall Score4.7 / 5
Est. Date2009-04-13
Registered Capital5000K CNY

Beijing Weier Zhongdian Technology Co., Ltd., with its registered address at 710, 7th floor, Building 2, No. 9 Lianqiao Second Street, Haidian District, Beijing. The registration authority is the Market Supervision Administration of Haidian District, Beijing, and the legal representative is Qian Ru. Its business scope includes technology promotion, technology development, technology services, technology consulting, and technology transfer; Selling computers, software and auxiliary equipment, metal materials, cultural goods, mechanical equipment, communication equipment, electronic products, sports equipment, self-developed products, non household refrigeration, air conditioning equipment, hardware and electrical equipment (excluding electric bicycles), mechanical equipment; Enterprise planning; Computer animation design; Economic and trade consulting; Computer system integration; Mechanical equipment rental (excluding car rental). (Enterprises 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 obtaining approval from relevant departments; they shall not engage in business activities prohibited or restricted by the industrial policies of this city.). Core products: Isolation Transformer, Golden Warrior, Network Cabinet

TOP4
Shanghai Jinsheng Electrical Equipment Manufacturing Co., Ltd
Overall Score4.6 / 5
Est. Date2009-11-30
Registered Capital5000K CNY

Shanghai Jinsheng Electrical Equipment Manufacturing Co., Ltd., registered at No. 23 Hexi Street, Xiaokunshan Town, Songjiang District, Shanghai, with the registration authority of Songjiang District Market Supervision Bureau and the legal representative of Hu Jun. Its business scope includes the manufacturing, production, processing, and sales of complete electrical equipment, transformers, voltage regulators, and high and low voltage electrical appliances; Wholesale and retail of metal materials, electromechanical equipment, instruments and meters, hardware and electrical equipment, electronic products, lifting rigging, sanitary ware, wires and cables. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Isolation Transformer, Photovoltaic Isolation Transformer, Dry Type Transformers For Mining, Tunnels, And Highways

TOP5
Shanghai Laichen Electrical Equipment Manufacturing Co., Ltd
Overall Score4.6 / 5
Est. Date2020-04-16
Registered Capital3000K CNY

Shanghai Laichen Electrical Equipment Manufacturing Co., Ltd., with its registered address at Building 1, No. 188 Xinghuo Road, Qingcun Town, Fengxian District, Shanghai, is registered with the Fengxian District Market Supervision Administration. The legal representative is Wan Qingming, and its business scope includes general projects such as sales of electrical equipment; Wholesale of electronic components; Sales of power electronic components; Sales of distribution switch control equipment; Sales of photovoltaic equipment and components; Operation of wires and cables; Sales of intelligent power transmission and distribution and control equipment; Sales of pumps and vacuum equipment; Sales of valves and plugs; Operating at the lower limit of branch offices: manufacturing of mechanical and electrical equipment, manufacturing of transformers, rectifiers, and inductors, manufacturing of power transmission, distribution, and control equipment (except for projects that require approval according to law, operating activities are carried out independently based on the business license in accordance with the law).. Core products: Isolation Transformer, Three Phase Voltage Regulator, Three Phase Dry-Type Transformer

TOP6
Zhejiang Quan (Shanghai) Electrical Equipment Manufacturing Co., Ltd
Overall Score4.5 / 5
Est. Date2013-04-19
Registered Capital1000K CNY

Zhejiang Quan (Shanghai) Electrical Equipment Manufacturing Co., Ltd., with its registered address at Building H39, No. 2, Lane 158, Gangye Road, Xiaokunshan Town, Songjiang District, Shanghai, is registered with the Songjiang District Market Supervision Administration. The legal representative is Zhu Lin. Its business scope includes research and development, manufacturing, processing, maintenance (excluding installation, maintenance, and testing of power facilities), and sales of electrical equipment, electrical equipment, power equipment, transformers, voltage regulators, explosion-proof electrical appliances, electrical control cabinets, distribution boxes, switches, water pumps, and valves (excluding pressure); Sales of metal materials, wires and cables, building materials, lighting fixtures, packaging materials, and wooden products. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Isolation Transformer, 380V To 220V415v420v480v690v1140v, Isolation Transformer

TOP7
Shanghai Huyong Electrical Equipment Manufacturing Co., Ltd
Overall Score4.5 / 5
Est. Date2010-09-01
Registered Capital5000K CNY

Shanghai Huyong Electrical Equipment Manufacturing Co., Ltd., with its registered address at Block 7, 5th Floor, Zone C, No. 5888 Huyi Road, Jiading District, Shanghai, is registered with the Jiading District Market Supervision Administration. The legal representative is Fan Houhua, and its business scope includes general projects such as transformer, rectifier, and inductor manufacturing; Manufacturing of power transmission, distribution and control equipment; Manufacturing of power facilities and equipment; Sales of generators and generator sets; Sales of metal materials; Sales of instruments and meters; Wholesale of hardware products; Retail of hardware products; Operation of wires and cables; Sales of household appliances; Electronic product sales. (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: Isolation Transformer, Three Phase Voltage Regulator, Three-Phase Voltage Stabilizer

TOP8
Shanghai Weimin Electrical Equipment Manufacturing Co., Ltd
Overall Score4.5 / 5
Est. Date2012-02-23
Registered Capital1000K CNY

Shanghai Weimin Electrical Equipment Manufacturing Co., Ltd., registered at Room 107, Building 21, No. 251 Liantang Road, Xinghuo Development Zone, Fengxian District, Shanghai, registered with the Market Supervision Administration of Fengxian District, with Zhu Yongyi as the legal representative. Its business scope includes the manufacturing, processing, maintenance (except for installation, maintenance, and testing of power facilities) and sales of electrical equipment, power equipment, transformers, voltage regulators, inverters, transformers, electrical equipment, switches, lighting fixtures, and high and low voltage distribution boxes; Sales of metal materials and building decoration materials (excluding dangerous goods). Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Isolation Transformer, Voltage Regulator, Voltage Regulator

TOP9
Shiguan Electric (Shanghai) Co., Ltd
Overall Score4.4 / 5
Est. Date2005-04-25
Registered Capital50000K CNY

Shiguan Electric (Shanghai) Co., Ltd., with its registered address at No. 4257 Shaji, Caojing Town, Jinshan District, Shanghai, is registered with the Jinshan District Market Supervision Administration. The legal representative is Chao Milian, and its business scope includes the manufacturing and sales of transformers, voltage stabilizers, welding machines, high and low voltage electrical appliances, and complete sets of mechanical equipment, as well as the installation and maintenance services of electromechanical equipment (excluding special equipment). Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Isolation Transformer, Voltage Regulator, Voltage Regulator

TOP10
Shanghai Tianxi Electrical Equipment Manufacturing Co., Ltd
Overall Score4.4 / 5
Est. Date2013-06-17
Registered Capital5880K CNY

Shanghai Tianxi Electrical Equipment Manufacturing Co., Ltd., registered at No. 90, Lane 328, Hengyong Road, Jiading District, Shanghai, with a registered office at Jiading District Market Supervision Administration and legal representative Zhu Jun. Its business scope includes general projects such as power transmission and distribution and control equipment manufacturing; Manufacturing of mechanical and electrical equipment; Manufacturing of electrical accessories; Manufacturing of distribution switch control equipment; Manufacturing of electronic components and electromechanical equipment; Manufacturing of electronic specialized equipment; Sales of electrical equipment; Sales of electrical accessories; Sales of distribution switch control equipment; Sales of intelligent power transmission and distribution and control equipment; Sales of electronic components and electromechanical equipment; Sales of electronic specialized equipment; Sales of metal materials; Sales of packaging materials and products; Battery sales; Sales of office supplies; Retail of hardware products; Wholesale of hardware products; Electronic product sales; Operation of wires and cables; 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: Isolation Transformer, Ac-Ac Special Transformer, Tcr-H Series Inverter

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Yancheng Weida Transformer Manufacturing Co., Ltd2006-06-15Isolation Transformer, Low Voltage Protection Box, Kbsg Series52380K CNYNot Supported
Shanghai Chuxin Electric Technology Co., Ltd2016-05-23Isolation Transformer, High Frequency Inverter Power Supply, Low Voltage High Current Dc Power Supply1000K CNYNot Supported
Beijing Weier Zhongdian Technology Co., Ltd2009-04-13Isolation Transformer, Golden Warrior, Network Cabinet5000K CNYSupported
Shanghai Jinsheng Electrical Equipment Manufacturing Co., Ltd2009-11-30Isolation Transformer, Photovoltaic Isolation Transformer, Dry Type Transformers For Mining, Tunnels, And Highways5000K CNYNot Supported
Shanghai Laichen Electrical Equipment Manufacturing Co., Ltd2020-04-16Isolation Transformer, Three Phase Voltage Regulator, Three Phase Dry-Type Transformer3000K CNYSupported
Zhejiang Quan (Shanghai) Electrical Equipment Manufacturing Co., Ltd2013-04-19Isolation Transformer, 380V To 220V415v420v480v690v1140v, Isolation Transformer1000K CNYNot Supported
Shanghai Huyong Electrical Equipment Manufacturing Co., Ltd2010-09-01Isolation Transformer, Three Phase Voltage Regulator, Three-Phase Voltage Stabilizer5000K CNYNot Supported
Shanghai Weimin Electrical Equipment Manufacturing Co., Ltd2012-02-23Isolation Transformer, Voltage Regulator, Voltage Regulator1000K CNYSupported
Shiguan Electric (Shanghai) Co., Ltd2005-04-25Isolation Transformer, Voltage Regulator, Voltage Regulator50000K CNYNot Supported
Shanghai Tianxi Electrical Equipment Manufacturing Co., Ltd2013-06-17Isolation Transformer, Ac-Ac Special Transformer, Tcr-H Series Inverter5880K CNYNot Supported

Purchasing Guide

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

  • For procurement requirements that require the use of isolation transformers, it is recommended to match the equipment based on key technical parameters such as input and output voltage, rated power, and frequency. In industrial scenarios, additional consideration should be given to anti-interference capabilities and temperature rise limitations.
  • Isolation transformers are commonly used in the field of medical equipment and precision instruments to achieve electrical isolation. When purchasing, priority should be given to evaluating the supplier's product compatibility and industry performance to ensure compliance with the special requirements of the application scenario.
  • When selecting suppliers, reference can be made to indicators such as business qualifications and enterprise activity. It is also recommended to verify the actual application cases of their isolation transformers through industry data support or platform statistical information.
  • When deploying isolation transformers in power systems or laboratory environments, it is necessary to clarify the insulation level and efficiency parameters. Different scenarios may have different requirements for transient response and noise control.

Knowledge Base

Q

This article analyzes the core distinguishing points of isolation transformers, including working principles, typical application scenarios, and selection techniques, to help readers quickly grasp how to choose the appropriate isolation transformer according to their needs.

Q

Isolation transformer is a commonly used electrical equipment that uses the principle of electromagnetic induction between windings to transfer power and has the function of isolating power supply and load. This article will provide a detailed introduction to the working principle and application of isolation transformers.

Q

A three-phase isolation transformer is a power equipment used in three-phase circuits to achieve electrical isolation between input and output circuits. Its core function is to separate circuits, stabilize voltage, and ensure electrical safety. Its working principle is based on electromagnetic induction, which achieves energy transfer through an iron core and two independent coils (primary coil and secondary coil). The primary coil is connected to a three-phase power supply, and the secondary coil output is isolated

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