Updated Sep 12, 2026 · Public platform & industry data

Sep 12, 2026 Updated

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2026 Top 10 Isolation Transformer Manufacturers in China

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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 China for 2026 are: Shanghai Weimin Electrical Equipment Manufacturing Co., Ltd, Shandong Huayu Heavy Industry Machinery Co., Ltd, Zhejiang Fujie Electric Co., Ltd, Shanghai Voltage Regulator Factory, Yancheng Yuntao Transformer Manufacturing Co., Ltd, Guangzhou Huirongtong Renewable Resource Recycling Co., Ltd, Shanghai Chuxin Electric Technology Co., Ltd, Beijing Zhongke Wanlong Technology Co., Ltd, Zhongzhong Intelligent (Jining) Design and Research Institute, Shenzhen You Microelectronics Technology 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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Shanghai Weimin Electrical Equipment Manufacturing Co., Ltd
Overall Score4.9 / 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

Top 2
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Shandong Huayu Heavy Industry Machinery Co., Ltd
Overall Score4.7 / 5
Est. Date2020-12-17
Registered Capital5000K CNY

Shandong Huayu Heavy Industry Machinery Co., Ltd. is located at No. 2213, 22nd floor, Unit 01, Block E, Zhongde Plaza, Liying Street, Rencheng District, Jining City, Shandong Province. It was established on December 17, 2020, and registered with the Market Supervision Administration of Rencheng District, Jining City. The legal representative is Xin Yanxia. Core products: Isolation Transformer

Top 3
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Zhejiang Fujie Electric Co., Ltd
Overall Score4.7 / 5
Est. Date2006-03-03
Registered Capital60000K CNY

Zhejiang Fujie Electric Co., Ltd., with its registered address at 128 Jingwu Road, Yueqing Economic Development Zone, Yueqing City, Zhejiang Province (within Wenzhou Huayu Power Supply Manufacturing Co., Ltd.), registered with the Yueqing Market Supervision and Administration Bureau, and represented by Jiao Xiaobin as its legal representative. Its business scope includes the design, manufacturing, processing, and sales of distribution switch control equipment, explosion-proof electrical appliances, mining equipment, high and low voltage electrical appliances and components, transformers, box type substations, transmission and distribution equipment, complete sets of electrical and electrical equipment, substation equipment, industrial automation and electrical control supporting equipment, instruments and meters (excluding measuring instruments), wires and cables, electromechanical equipment, and electronic components; Import and export 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: Isolation Transformer, Mining Lighting Transformer, Mining Dry-Type Transformer

TOP4
Shanghai Voltage Regulator Factory
Overall Score4.6 / 5
Est. Date1998-01-26
Registered Capital2000K CNY

Shanghai Voltage Regulator Factory, registered at No. 183 Huining Road, Shanghai, with the Huangpu District Market Supervision Bureau as the registration authority and Chen Yanshun as the legal representative. Its business scope includes voltage stabilizers, transformers, distribution cabinets, screens, boxes, DC screens, variable speed and frequency equipment and accessories. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Isolation Transformer, , Marine Variable Frequency Power Supply

TOP5
Yancheng Yuntao Transformer Manufacturing Co., Ltd
Overall Score4.6 / 5
Est. Date2012-02-09
Registered Capital51800K CNY

Yancheng Yuntao Transformer Manufacturing Co., Ltd., registered at No. 88 Huaxing Avenue, Longgang Town, Yandu District, Yancheng City (Yancheng Phoenix High tech Park) (F), registered with the Yandu District Administrative Approval Bureau of Yancheng City, with Wang Ronggang as the legal representative. Its business scope includes the manufacturing and sales of mining explosion-proof dry-type transformers, mobile substations, oil immersed transformers, resin dry-type transformers, special transformers, box type substations, high and low voltage switchgear, mining explosion-proof electrical products and their spare parts. (D) (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Isolation Transformer, Transformer

TOP6
Guangzhou Huirongtong Renewable Resource Recycling Co., Ltd
Overall Score4.5 / 5
Est. Date2019-07-09
Registered Capital5000K CNY

Guangzhou Huirongtong Renewable Resources Recycling Co., Ltd., registered at Room 207-104, Floors 1-7, Building 2, No. 715 Guangshan 1st Road, Tianhe District, Guangzhou (office only), registered with the Market Supervision and Administration Bureau of Tianhe District, Guangzhou, with Liu Jiwei as the legal representative. Its business scope includes wholesale of environmental protection equipment; Wholesale of metal products; Sales of general mechanical equipment; Sales of electrical and mechanical equipment; Sales signs and directional signs; Wholesale of shelves; Sales of building anchor bolts; Sales of hardware and components related to curtain walls; Sales of components related to the comprehensive pipe gallery; Sales of seismic resistant supports and hangers, as well as comprehensive finished supports and hangers; Sales of electric motors; Computer wholesale; Wholesale of computer spare parts; Software wholesale; Wholesale of office equipment and consumables; Sales of charging stations; Wholesale of television equipment and its accessories; Wholesale of wires and cables; Wholesale of electrical equipment; Wholesale of electronic products; Import and export of goods (excluding exclusive and controlled goods); Wholesale of hardware products; Wholesale of electrical equipment; Wholesale of electronic components; Wholesale of communication equipment and supporting equipment; Wholesale of mechanical parts; Internet commodity sales (except for licensed and approved commodities); Wholesale trade of goods (excluding licensed and approved goods); Trade agency; Operation of unlicensed medical devices; Retail trade of goods (excluding licensed and approved goods); Trade consulting services; Internet commodity retail (except for licensed and approved commodities); Authorized by relevant government departments to engage in the destruction of confiscated materials and counterfeit goods; Processing and treatment of metal waste and debris; Non metallic waste and debris processing; The recycling and disposal of waste such as infusion bottles (bags) and syringes that have not been contaminated by patients' blood, body fluids, or excreta after use in medical institutions; Crushing and processing of expired medical records, archives, prescriptions, invoices, and other waste paper from medical institutions; Environmental protection technology promotion services; Construction of engineering environmental protection facilities; Environmental technology development services; Data processing and storage services; Retail of typewriters, copiers, and word processors; Research and development of garbage disposal technology; Design of data processing and storage products; Consulting services for electronic device recycling technology; Dismantling, recycling, and disposing of confiscated materials and counterfeit goods; Hardware retail; Installation services for building air conditioning and ventilation systems; Technical consulting and services in the field of renewable energy; Recycling and wholesale of recycled materials; Scrap metal recycling and sales (excluding scrap car recycling and dismantling); Recycling and wholesale of recycled materials (excluding licensing or filing matters with environmental protection administrative authorities); Disposal of discarded electrical and electronic products; Scrap car recycling (dismantling); Retail of medical diagnostic, monitoring, and treatment equipment; Medical and pharmaceutical waste management. Core products: Isolation Transformer, Boiler, Distribution Cabinet

TOP7
Shanghai Chuxin Electric Technology Co., Ltd
Overall Score4.5 / 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

TOP8
Beijing Zhongke Wanlong Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2014-09-26
Registered Capital10000K CNY

Beijing Zhongke Wanlong Technology Co., Ltd., registered at Room 201, South Building, No.1 Xingqiao Street, Qiaozi Town, Huairou District, Beijing, registered with the Huairou Branch of the Beijing Administration for Industry and Commerce, with Ma Hongrui as the legal representative. Its business scope includes technology development, transfer, consulting, and services; Computer system services; Application software services; Selling computers, software and auxiliary equipment, electronic products, communication equipment (excluding satellite ground receiving and transmitting equipment), mechanical equipment, cultural goods, hardware and electrical equipment, daily necessities, handicrafts, and automotive spare parts. (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, Yishite Ups, Golden Warrior Ups

TOP9
Zhongzhong Intelligent (Jining) Design and Research Institute
Overall Score4.4 / 5
Est. Date2021-01-15
Registered Capital1000K CNY

Zhongzhong Intelligence (Jining) Design and Research Institute, registered address located at Block B, 4th Floor, Xieying Technology Building, No. 18 Jinyu Road, Xianying Street, Rencheng District, Jining City, Shandong Province, registered with the Market Supervision and Administration Bureau of Rencheng District, Jining City, with Xiao Xuexue as the legal representative. Its business scope includes general projects: mining machinery manufacturing; Sales of mining machinery; Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); Sales of mechanical equipment; Engineering and technical research and experimental development; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Software development; Software 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 project: 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: Isolation Transformer, Lifting Equipment, Explosion-Proof Electrical Equipment

TOP10
Shenzhen You Microelectronics Technology Co., Ltd
Overall Score4.4 / 5
Est. Date2024-03-01
Registered Capital100K CNY

Shenzhen Youwei Microelectronics Technology Co., Ltd., registered at 1513, 15th Floor, Shenye Building, 1027 Wenjin Middle Road, Hubei Community, Dongmen Street, Luohu District, Shenzhen, with the registration authority of Luohu Supervision Bureau of Shenzhen Market Supervision Administration and the legal representative of Dong Xinwu. Its business scope includes technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Electronic product sales; Internet sales (except for the sale of goods that need to be licensed); Domestic trade agency; Import and export of goods; Technology import and export. (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law) ^ None. Core products: Isolation Transformer, Mentor, Hot Selling Inventory

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Shanghai Weimin Electrical Equipment Manufacturing Co., Ltd2012-02-23Isolation Transformer, Voltage Regulator, Voltage Regulator1000K CNYSupported
Shandong Huayu Heavy Industry Machinery Co., Ltd2020-12-17Isolation Transformer5000K CNYNot Supported
Zhejiang Fujie Electric Co., Ltd2006-03-03Isolation Transformer, Mining Lighting Transformer, Mining Dry-Type Transformer60000K CNYNot Supported
Shanghai Voltage Regulator Factory1998-01-26Isolation Transformer, , Marine Variable Frequency Power Supply2000K CNYNot Supported
Yancheng Yuntao Transformer Manufacturing Co., Ltd2012-02-09Isolation Transformer, Transformer51800K CNYNot Supported
Guangzhou Huirongtong Renewable Resource Recycling Co., Ltd2019-07-09Isolation Transformer, Boiler, Distribution Cabinet5000K CNYSupported
Shanghai Chuxin Electric Technology Co., Ltd2016-05-23Isolation Transformer, High Frequency Inverter Power Supply, Low Voltage High Current Dc Power Supply1000K CNYNot Supported
Beijing Zhongke Wanlong Technology Co., Ltd2014-09-26Isolation Transformer, Yishite Ups, Golden Warrior Ups10000K CNYNot Supported
Zhongzhong Intelligent (Jining) Design and Research Institute2021-01-15Isolation Transformer, Lifting Equipment, Explosion-Proof Electrical Equipment1000K CNYNot Supported
Shenzhen You Microelectronics Technology Co., Ltd2024-03-01Isolation Transformer, Mentor, Hot Selling Inventory100K 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 key points of selecting isolation transformers for gallbladder machines, compares the characteristics differences between circular and other types of transformers, provides practical suggestions for sound quality protection and power purification, and helps audiophiles make reasonable choices.

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