Updated Jun 6, 2026 · Public platform & industry data

Jun 6, 2026 Updated

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2026 Top 10 Variable Frequency Power Supply Manufacturers in China Shanghai

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Top-rated Variable Frequency Power Supply suppliers, How to choose a Variable Frequency Power Supply manufacturer, Best Variable Frequency Power Supply companies in China

The top 10 Variable Frequency Power Supply manufacturers in Shanghai for 2026 are: Shanghai Weiyuan Electric Technology Co., Ltd, Suzhou Dahaishen Power Equipment Co., Ltd, Shanghai Voltage Regulator Factory, Changzhou Cayen Electronic Technology Co., Ltd, Jinan Taier Electric Power Technology Co., Ltd, Shanghai Ruijin Power Technology Co., Ltd, Shanghai Xiangyou Electrical Equipment Manufacturing Co., Ltd, Shiguan Electric (Shanghai) Co., Ltd, Shanghai Laichen Electrical Equipment Manufacturing Co., Ltd, Shanghai Ganxing 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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Top 1
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Shanghai Weiyuan Electric Technology Co., Ltd
Overall Score4.9 / 5
Est. Date2020-11-30
Registered Capital10000K CNY

Shanghai Weiyuan Electric Technology Co., Ltd., with its registered address at Building 8, No. 251 Liantang Road, Xinghuo Development Zone, Fengxian District, Shanghai, is registered with the Market Supervision Administration of Fengxian District. The legal representative is Dong Zhongjie, and the business scope includes general projects such as power electronic component manufacturing and branch operation; Manufacturing of computer software, hardware, and peripheral devices [branch operation]; Manufacturing of refrigeration and air conditioning equipment [branch operation]; Manufacturing of distribution switch control equipment [branch operation]; Photovoltaic equipment and component manufacturing [branch operation]; Sales of power electronic components; Manufacturing of mechanical and electrical equipment [branch operation]; Manufacturing of power transmission, distribution and control equipment [branch operation]; Wholesale of computer software, hardware, and auxiliary equipment; Retail of computer software, hardware, and auxiliary equipment; Sales of refrigeration and air conditioning equipment; Sales of photovoltaic equipment and components; Sales of distribution switch control equipment; Sales of intelligent power transmission and distribution and control equipment; Sales of mechanical and electrical equipment; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Import and export of goods; Technology import and export; Battery sales; Electrical equipment repair; General equipment repair; Specialized equipment repair. (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: Variable Frequency Power Supply, Evacuation Instructions, Ups Power Supply

Top 2
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Suzhou Dahaishen Power Equipment Co., Ltd
Overall Score4.7 / 5
Est. Date2020-10-20
Registered Capital10000K CNY

Suzhou Dahaishen Power Equipment Co., Ltd., with its registered address located at the southwest half of the 4th floor, No. 6 Matangwan Road, Suzhou Industrial Park, registered with the Suzhou Industrial Park Administrative Approval Bureau and represented by Yuan Chaohui as its legal representative. Its business scope includes general projects such as mechanical and electrical equipment manufacturing; Manufacturing of electronic components and electromechanical equipment; Manufacturing of transformers, rectifiers, and inductors; Manufacturing of distribution switch control equipment; Sales of mechanical and electrical equipment; Battery sales; Electronic product sales; Wholesale of computer software, hardware, and auxiliary equipment; Sales of power electronic components; Sales of advanced power electronic devices; Sales of electronic measuring instruments; Sales of distribution switch control equipment; Sales of instruments and meters; Sales of experimental analytical instruments; Wholesale of hardware products; Information system integration services; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Computer and office equipment maintenance; Electrical equipment repair; Instrument and meter repair; General equipment repair; Specialized equipment repair; Repair of daily electrical appliances; Maintenance of electronic and mechanical equipment (excluding special equipment); Import and export agency; Import and export of goods (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: Variable Frequency Power Supply, Conventional Variable Frequency Power Supply, Programmable Dc Power Supply

Top 3
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Shanghai Voltage Regulator Factory
Overall Score4.7 / 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: Variable Frequency Power Supply, , Marine Variable Frequency Power Supply

TOP4
Changzhou Cayen Electronic Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2014-04-08
Registered Capital10000K CNY

Changzhou Cayen Electronic Technology Co., Ltd., with its registered address at 2nd Floor, A6 Standard Factory Building, Hutang Science and Technology Industrial Park, Hutang Town, Wujin District, Changzhou City. The registration authority is the Wujin District Administrative Approval Bureau, and the legal representative is Shen Zhongyuan. Its business scope includes technology research and development and sales of electronic products; Manufacturing, research and development, and sales of power frequency conversion equipment, power stabilization equipment, and power transformation equipment; Technology development, consulting, transfer, and services in the field of power technology; Research and development of ordinary mechanical equipment and accessories; Environmental engineering construction; Manufacturing and processing of card readers, password keyboards, magnetic card readers, IC card readers, and computer accessories. General projects: Manufacturing of photovoltaic equipment and components; Sales of photovoltaic equipment and components; Sales of wind turbines and their components; Manufacturing of power electronic components; Sales of power electronic components; Manufacturing of transformers, rectifiers, and inductors; Manufacturing of electronic (gas) physical equipment and other electronic devices; General equipment manufacturing (excluding special equipment manufacturing) (except for projects that require approval according to law, independently carry out business activities based on the business license in accordance with the law). Core products: Variable Frequency Power Supply, Variable Frequency Power Supply, Inverter Power Supply

TOP5
Jinan Taier Electric Power Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2015-04-29
Registered Capital2980K CNY

Jinan Taier Electric Power Technology Co., Ltd., with its registered address at 1-2210, EF Building, Dinghao Plaza, No. 44 Gongye South Road, High tech Zone, Jinan City, Shandong Province, China. The registration authority is the Market Supervision Bureau of Jinan High tech Industrial Development Zone Management Committee, and the legal representative is Wang Yun. Its business scope includes the development of electric power technology; Development, sales, and technical services of power equipment; Development, sales, and technical services of power equipment, electrical equipment, high and low voltage distribution cabinets, and controllers; Sales of solar modules, photovoltaic wind power generation equipment and accessories, power automation equipment, instruments and meters, batteries, frequency converters, electronic equipment, and hardware products; Information system integration services; Development and sales of temperature online detection devices for substation equipment, intelligent dehumidification devices, and non specialized communication equipment. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Variable Frequency Power Supply, Dc Power Supply, New Energy Power Supply

TOP6
Shanghai Ruijin Power Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2008-12-26
Registered Capital2000K CNY

Shanghai Ruijin Power Technology Co., Ltd. is registered at Building 1, No. 502 Fenghai Road, Zhelin Town, Fengxian District, Shanghai. The registration authority is the Fengxian District Market Supervision Administration, and the legal representative is Zhou Jie. Its business scope includes technology development, technical consulting, technical services, and technology transfer in the field of power technology, as well as manufacturing, processing, wholesale, and retail of power equipment. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Variable Frequency Power Supply, Variable Frequency Power Supply, Dc Power Supply

TOP7
Shanghai Xiangyou Electrical Equipment Manufacturing Co., Ltd
Overall Score4.5 / 5
Est. Date2011-03-18
Registered Capital5000K CNY

Shanghai Xiangyou Electrical Equipment Manufacturing Co., Ltd., with its registered address at Building K35, No. 2, Lane 158, Gangye Road, Xiaokunshan Town, Songjiang District, Shanghai, is registered with the Songjiang District Market Supervision and Administration Bureau. The legal representative is Zhu Zhenxiang, and its business scope includes the processing and sales of high and low voltage electrical equipment and complete sets of equipment, transformers, voltage regulators, voltage stabilizers, reactors, and power equipment; Wholesale and retail of wires and cables, building materials, electronic products, office equipment, household appliances, lighting fixtures, metal materials, hardware and electrical equipment. [Projects that require approval by law can only be operated after approval by relevant departments]. Core products: Variable Frequency Power Supply, Variable Frequency Power Supply, Voltage Regulator

TOP8
Shiguan Electric (Shanghai) Co., Ltd
Overall Score4.5 / 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: Variable Frequency Power Supply, Voltage Regulator, Voltage Regulator

TOP9
Shanghai Laichen Electrical Equipment Manufacturing Co., Ltd
Overall Score4.4 / 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: Variable Frequency Power Supply, Three Phase Voltage Regulator, Three Phase Dry-Type Transformer

TOP10
Shanghai Ganxing Electrical Equipment Manufacturing Co., Ltd
Overall Score4.4 / 5
Est. Date2011-03-18
Registered Capital2000K CNY

Shanghai Ganxing Electrical Equipment Manufacturing Co., Ltd., with its registered address at Building K23, No. 2, Lane 158, Gangye Road, Xiaokunshan Town, Songjiang District, Shanghai, is registered with the Songjiang District Market Supervision and Administration Bureau. The legal representative is Zhu Dongliang, and the business scope includes the research and development, production, processing, maintenance, and sales of electrical equipment, transformers, voltage regulators, distribution boxes, high and low voltage complete sets of equipment, wires and cables, and lighting fixtures; Wholesale and retail of building materials. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Variable Frequency Power Supply, Voltage Regulator, Variable Frequency Transformer (Power Supply)

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Shanghai Weiyuan Electric Technology Co., Ltd2020-11-30Variable Frequency Power Supply, Evacuation Instructions, Ups Power Supply10000K CNYSupported
Suzhou Dahaishen Power Equipment Co., Ltd2020-10-20Variable Frequency Power Supply, Conventional Variable Frequency Power Supply, Programmable Dc Power Supply10000K CNYSupported
Shanghai Voltage Regulator Factory1998-01-26Variable Frequency Power Supply, , Marine Variable Frequency Power Supply2000K CNYNot Supported
Changzhou Cayen Electronic Technology Co., Ltd2014-04-08Variable Frequency Power Supply, Variable Frequency Power Supply, Inverter Power Supply10000K CNYSupported
Jinan Taier Electric Power Technology Co., Ltd2015-04-29Variable Frequency Power Supply, Dc Power Supply, New Energy Power Supply2980K CNYNot Supported
Shanghai Ruijin Power Technology Co., Ltd2008-12-26Variable Frequency Power Supply, Variable Frequency Power Supply, Dc Power Supply2000K CNYNot Supported
Shanghai Xiangyou Electrical Equipment Manufacturing Co., Ltd2011-03-18Variable Frequency Power Supply, Variable Frequency Power Supply, Voltage Regulator5000K CNYNot Supported
Shiguan Electric (Shanghai) Co., Ltd2005-04-25Variable Frequency Power Supply, Voltage Regulator, Voltage Regulator50000K CNYNot Supported
Shanghai Laichen Electrical Equipment Manufacturing Co., Ltd2020-04-16Variable Frequency Power Supply, Three Phase Voltage Regulator, Three Phase Dry-Type Transformer3000K CNYSupported
Shanghai Ganxing Electrical Equipment Manufacturing Co., Ltd2011-03-18Variable Frequency Power Supply, Voltage Regulator, Variable Frequency Transformer (Power Supply)2000K CNYNot Supported

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