Updated Sep 2, 2026 · Public platform & industry data

Sep 2, 2026 Updated

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2026 Top 10 Variable Frequency Power Supply Manufacturers in China

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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 China for 2026 are: Jinan Langrui Electric Co., Ltd, Shandong Heyun Electric Co., Ltd, Shanghai Voltage Regulator Factory, Jinan Deming Power Equipment Co., Ltd, Suzhou Dahaishen Power Equipment Co., Ltd, Suzhou Ousimu Electrical Equipment Co., Ltd, Suzhou Paier Electromechanical Co., Ltd, Jinan Taier Electric Power Technology Co., Ltd, Shenzhen Yuanyi Electronics Co., Ltd, Changzhou Cayen Electronic 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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Jinan Langrui Electric Co., Ltd
Overall Score4.9 / 5
Est. Date2013-12-27
Registered Capital16000K CNY

Jinan Langrui Electric Co., Ltd., registered at No. 4568 Kejia Road, Suncun Street, High tech Zone, Jinan City, Shandong Province, China Computer Valley Future Intelligent Manufacturing Center Phase I 12B, registered with the Market Supervision Bureau of Jinan High tech Industrial Development Zone Management Committee, with Yu Lianguang as the legal representative. Its business scope includes the manufacturing, wholesale, retail, technology development, and technical services of electrical equipment, electronic equipment, and fire-fighting equipment; Development, wholesale, retail, and technical services of computer equipment, industrial automation system equipment, and computer software; Computer network technology development and technical services; Computer data processing and technical services; Information technology consulting services; Promotion services for energy-saving technologies; Contract energy management and technical services; Wholesale and retail of mechanical equipment, high and low voltage electrical equipment, instruments and meters, air conditioning equipment, hardware and electrical equipment; Professional contracting for building electromechanical installation engineering, security engineering, and electronic and intelligent engineering (the above projects are operated with qualification certificates); Import and export business, as well as other projects that are not prohibited or do not require business licenses according to laws, regulations, and decisions of the State Council. Projects that require approval by law can only be operated after approval by relevant departments.. Core products: Variable Frequency Power Supply, Stable Voltage And Frequency Power Supply, Hydroelectric Power Converter

Top 2
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Shandong Heyun Electric Co., Ltd
Overall Score4.8 / 5
Est. Date2021-09-06
Registered Capital3250K CNY

Shandong Heyun Electric Co., Ltd., with its registered address at Unit 301, Building 9, No. 488 Beiyuan Street, Beiyuan Street, Tianqiao District, Jinan City, Shandong Province, is registered with the Market Supervision Administration of Tianqiao District, Jinan City. The legal representative is Wang Chao, and the business scope includes general projects such as sales of electrical equipment; Research and development of distribution switch control equipment; Sales of industrial automatic control system devices; Sales of electrical signal equipment devices; Sales of photovoltaic equipment and components; Sales of intelligent power transmission and distribution and control equipment; Sales of power electronic components; Manufacturing of transformers, rectifiers, and inductors [branch operations]; Sales of wind turbines and their components; Information system integration services; Sales of security equipment; Sales of communication equipment; Sales of power facilities and equipment; Sales of mechanical equipment; Electrical equipment repair; Wholesale of electronic components; Battery sales; Retail of computer software, hardware, and auxiliary equipment; Wholesale of hardware products; Information technology consulting services; Operation of wires and cables; Sales of mechanical and electrical equipment; Sales of electrical instruments and meters; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of electrical accessories; Retail of hardware products; Manufacturing of mechanical and electrical equipment [branch operation]; Sales of distribution switch control equipment; Sales of seals; Sales of firefighting equipment; Sales of intelligent instruments and meters; Battery leasing; Software sales; Sales of information security equipment; Contract energy management; Sales of refrigeration and air conditioning equipment; General equipment repair; Installation services for ordinary mechanical equipment; External contracting projects; Construction of earthwork engineering; Manufacturing of power electronic components [branch operation]; Manufacturing of optical communication equipment [branch operation]; Manufacturing of industrial automatic control system equipment [branch operation]; Manufacturing of electrical signal equipment devices [branch operation]; Manufacturing of capacitors and their supporting equipment [branch operation]; Manufacturing of power transmission, distribution and control equipment [branch operation]; Manufacturing of electronic components and electromechanical equipment [branch operation]; Manufacturing of power facilities and equipment [branch operation]; Manufacturing of distribution switch control equipment [branch operation]; Personal business services. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license) Licensed projects: installation, maintenance, and testing of power transmission, power supply, and power receiving facilities; Installation of civil nuclear safety equipment; Electrical installation services; Construction project construction; Construction labor subcontracting; Import and export of goods. (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: Variable Frequency Power Supply, Variable Frequency Power Supply, Inverter

Top 3
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Shanghai Voltage Regulator Factory
Overall Score4.8 / 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
Jinan Deming Power Equipment Co., Ltd
Overall Score4.7 / 5
Est. Date2004-03-22
Registered Capital10000K CNY

Jinan Deming Power Equipment Co., Ltd., with its registered address at 12A, China Computing Valley Future Intelligent Manufacturing Center, Liandong U Valley, Kejia Road, Suncun Street, High tech Zone, Jinan City, Shandong Province, is registered with the Market Supervision Bureau of Jinan High tech Industrial Development Zone Management Committee. The legal representative is Jing Linfeng. Its business scope includes the technical development, assembly, and sales of wind turbine controllers, solar controllers, chargers, inverters (excluding batteries), non specialized communication equipment, electrical equipment and accessories, solar equipment and accessories, wind turbines, and electronic products; Wholesale and retail of batteries, electronic components, hardware and electrical equipment; Development and technical services of computer software and hardware technology; Computer system integration; Computer comprehensive cabling; Import and export business. (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, Off Grid Photovoltaic Inverter, Grid Connected Controller

TOP5
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

TOP6
Suzhou Ousimu Electrical Equipment Co., Ltd
Overall Score4.6 / 5
Est. Date2015-03-10
Registered Capital2000K CNY

Suzhou Ousimu Electrical Equipment Co., Ltd., with its registered address at Room 339, No. 5 Jinmen Road, Gusu District, Suzhou City, Jiangsu Province, is registered with the Data Bureau of Gusu District, Suzhou City. The legal representative is Su Jinbao. The company's business scope includes research and development, sales of DC power supply equipment, variable frequency power supply equipment, voltage stabilizing power supply equipment, transformers, voltage regulators, inverters, power supply equipment and accessories, hardware and electromechanical products, electronic products, laboratory equipment, high and low voltage equipment, instruments and meters, computer software, as well as maintenance and after-sales service. (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, Communication Constant Current Source

TOP7
Suzhou Paier Electromechanical Co., Ltd
Overall Score4.6 / 5
Est. Date2005-04-19
Registered Capital5000K CNY

Suzhou Paier Electromechanical Co., Ltd., with its registered address at Room 102, Building 30, Changxin Garden, No. 168 Changwu Road, Suzhou City. The registration authority is the Suzhou Gusu District Administrative Approval Bureau, and the legal representative is Zhu Meijuan. Its business scope includes the sale of hardware and electromechanical equipment, plastic products, mold fixtures, packaging materials and consumables, electronic instruments, electronic and electrical products, chemical products (excluding dangerous goods), building materials, labor protection supplies, office supplies and consumables, and automation equipment; Installation, maintenance, and upkeep of automation 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, Switching Power Supply, Ac Power Supply

TOP8
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

TOP9
Shenzhen Yuanyi Electronics Co., Ltd
Overall Score4.4 / 5
Est. Date2005-03-30
Registered Capital2050K CNY

Shenzhen Yuanyi Electronics Co., Ltd., with its registered address at 402, 4th floor, Building C, Kelunte Low Carbon Industrial Park, Gaofeng Community, Dalang Street, Longhua District, Shenzhen, is registered with the Shenzhen Market Supervision Administration. The legal representative is Li Qiuying, and the business scope includes general business projects such as AC power supply, DC power supply, electronic loads, electromechanical integrated equipment, power meters, power analyzers, technical development, maintenance, sales, and related technical consulting of electronic products; Domestic trade; Import and export of goods and technology. (Except for projects prohibited by laws and administrative regulations; projects restricted by laws and administrative regulations must obtain a license before operation) Licensed business projects: production of AC power supplies, DC power supplies, electronic loads, electromechanical integrated equipment, power meters, power analyzers, and electronic products; Technical testing of electronic instrument meters (excluding restricted items).. Core products: Variable Frequency Power Supply, Electronic Load, Power Analyzer

TOP10
Changzhou Cayen Electronic Technology Co., Ltd
Overall Score4.4 / 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

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Jinan Langrui Electric Co., Ltd2013-12-27Variable Frequency Power Supply, Stable Voltage And Frequency Power Supply, Hydroelectric Power Converter16000K CNYSupported
Shandong Heyun Electric Co., Ltd2021-09-06Variable Frequency Power Supply, Variable Frequency Power Supply, Inverter3250K CNYNot Supported
Shanghai Voltage Regulator Factory1998-01-26Variable Frequency Power Supply, , Marine Variable Frequency Power Supply2000K CNYNot Supported
Jinan Deming Power Equipment Co., Ltd2004-03-22Variable Frequency Power Supply, Off Grid Photovoltaic Inverter, Grid Connected Controller10000K CNYNot Supported
Suzhou Dahaishen Power Equipment Co., Ltd2020-10-20Variable Frequency Power Supply, Conventional Variable Frequency Power Supply, Programmable Dc Power Supply10000K CNYSupported
Suzhou Ousimu Electrical Equipment Co., Ltd2015-03-10Variable Frequency Power Supply, Dc Power Supply, Communication Constant Current Source2000K CNYNot Supported
Suzhou Paier Electromechanical Co., Ltd2005-04-19Variable Frequency Power Supply, Switching Power Supply, Ac Power Supply5000K CNYNot Supported
Jinan Taier Electric Power Technology Co., Ltd2015-04-29Variable Frequency Power Supply, Dc Power Supply, New Energy Power Supply2980K CNYNot Supported
Shenzhen Yuanyi Electronics Co., Ltd2005-03-30Variable Frequency Power Supply, Electronic Load, Power Analyzer2050K CNYNot Supported
Changzhou Cayen Electronic Technology Co., Ltd2014-04-08Variable Frequency Power Supply, Variable Frequency Power Supply, Inverter Power Supply10000K CNYSupported

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