Updated Oct 12, 2026 · Public platform & industry data

Oct 12, 2026 Updated

English
title decor left

2026 Top 10 Variable Frequency Power Supply Manufacturers in China

title decor right

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: Shenzhen Rongdaxin Power Technology Co., Ltd, Suzhou Dahaishen Power Equipment Co., Ltd, Shanghai Voltage Regulator Factory, Shandong Heyun Electric Co., Ltd, Jinan Deming Power Equipment Co., Ltd, Yixing Yingli Environmental Protection Equipment Manufacturing Co., Ltd, Shandong Oulaier Power Supply Co., Ltd, Jinan Taier Electric Power Technology Co., Ltd, Wenzhou Kaiming Electric Co., Ltd, Shiguan Electric (Shanghai) Co., Ltd. Ranked based on product relevance, certifications, company activity, and industry performance. This list is widely used for supplier comparison and sourcing decisions.

Collapse
Region FilterRegion
Top 1
background image
Shenzhen Rongdaxin Power Technology Co., Ltd
Overall Score4.9 / 5
Est. Date2008-01-14
Registered Capital3000K CNY

Shenzhen Rongdaxin Power Technology Co., Ltd., registered at 1301, Manjinghua Science and Technology Innovation Workshop (Building 3), No. 6 Songjiang Road, Shapu Community, Songgang Street, Bao'an District, Shenzhen, registered with the Shenzhen Municipal Administration for Market Regulation, with Lu Guirong as the legal representative. Its business scope includes the research and sales of power equipment, surface treatment equipment, electroplating equipment, environmental protection equipment, and electromechanical equipment; Domestic commercial and material supply and marketing industry. Production of power equipment, surface treatment equipment, electroplating equipment, environmental protection equipment, and electromechanical equipment, except for projects that require approval before registration as stipulated by laws, administrative regulations, and decisions of the State Council. Import and export of goods; Technology import and export. (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, Pcb Electroplating Power Supply, Hard Oxidation Power Supply

Top 2
background image
Suzhou Dahaishen Power Equipment Co., Ltd
Overall Score4.8 / 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
background image
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
Shandong Heyun Electric Co., Ltd
Overall Score4.7 / 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

TOP5
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

TOP6
Yixing Yingli Environmental Protection Equipment Manufacturing Co., Ltd
Overall Score4.6 / 5
Est. Date2020-06-08
Registered Capital50000K CNY

Yixing Yingli Environmental Protection Equipment Manufacturing Co., Ltd., with its registered address at No. 8 Huguang Road, Qianluo Village, Dingshu Town, Yixing City, is registered with the Yixing Administrative Approval Bureau. The legal representative is Qi Zhenzhao, and its business scope includes licensed projects: various engineering construction activities (projects that require approval by law can only be carried out after approval by relevant departments, and specific business projects are subject to approval results). General projects: manufacturing of environmental protection special equipment; Sales of specialized equipment for environmental protection; Manufacturing of dust removal technology equipment; Manufacturing of coal-fired flue gas desulfurization and denitrification equipment; Manufacturing of sludge treatment equipment; General equipment manufacturing (excluding special equipment manufacturing); Air pollution control; Water pollution control; Soil pollution control and remediation services; Solid waste management; Engineering management services; Engineering and technical research and experimental development; Manufacturing of mechanical and electrical equipment; Mechanical equipment research and development; Manufacturing of material handling equipment; Manufacturing of distribution switch control equipment; Manufacturing of transformers, rectifiers, and inductors; Motor manufacturing; Manufacturing of instruments and meters; Operation of wires and cables; Information system integration services; Software development; Professional design services; Ordinary mechanical equipment installation services (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). Core products: Variable Frequency Power Supply, High Voltage Isolation Box, Spray Tower

TOP7
Shandong Oulaier Power Supply Co., Ltd
Overall Score4.6 / 5
Est. Date2024-08-08
Registered Capital3000K CNY

Shandong Oulaier Power Supply Co., Ltd., registered at 074, 3rd Floor, No. 4 Weisi Road, Daguanyuan Street, Shizhong District, Jinan City, Shandong Province (multiple photos for one address), registered with the Market Supervision and Administration Bureau of Shizhong District, Jinan City, with Li Dexi as the legal representative. Its business scope includes general projects: sales of electronic components and electromechanical component equipment; Research and development of distribution switch control equipment; Sales of distribution switch control equipment; Sales of power electronic components; Sales of electric dynamometer motors; Sales of electrical instruments and meters; Sales of electrical equipment; Sales of intelligent power transmission and distribution and control equipment; Battery sales; Sales of generators and generator sets; Sales of electrical accessories; Sales of household appliances; Sales of experimental analytical instruments; Electronic product sales; Sales of electronic specialized equipment; Retail of bicycles and spare parts; Retail of automotive spare parts; Retail of motorcycles and spare parts; Wholesale of automotive spare parts; Sales of new catalytic materials and additives; Sales of new membrane materials; Sales of new ceramic materials; Sales of new metal functional materials; Import and export of goods; Recycling of renewable resources (excluding productive waste metals); Sales of specialized equipment for environmental protection; Construction of earthwork engineering; Engineering management services; Biomass fuel processing; Sales of biomass pellet fuels. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license.) Licensed project: demolition of buildings (excluding blasting operations). (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, Lead-Acid Battery, Ups 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
Wenzhou Kaiming Electric Co., Ltd
Overall Score4.4 / 5
Est. Date2011-03-15
Registered Capital10000K CNY

Wenzhou Kaiming Electric Co., Ltd., registered at Building M, Leshang Entrepreneurship Park, Yueqing Economic Development Zone, Yueqing City, Wenzhou City, Zhejiang Province (Haichao Road, Wengyang Street), registered with the Market Supervision Administration of Yueqing City, with the legal representative being Xie Lidan. Its business scope includes general projects: manufacturing of distribution switch control equipment; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of firefighting equipment; Sales of distribution switch control equipment; Manufacturing of transformers, rectifiers, and inductors; Manufacturing of display devices; Sales of display devices; Manufacturing of electric motors; Manufacturing of power facilities and equipment; Sales of power facilities and equipment; Manufacturing of monitoring and control equipment for power transmission and distribution; Sales of monitoring and control equipment for power transmission and distribution; Fan and fan manufacturing; Sales of fans and blowers; Manufacturing of electrical signal equipment devices; Sales of electrical signal equipment devices; Manufacturing of electrical instruments and meters; Sales of electrical instruments and meters; Sales of intelligent instruments and meters; Manufacturing of lighting fixtures; Sales of lighting fixtures; Operation of wires and cables; Manufacturing of electronic components; Wholesale of electronic components; Manufacturing of electrical accessories; Sales of electrical accessories; Battery leasing; Battery manufacturing; Battery sales; Manufacturing of pumps and vacuum equipment; Sales of pumps and vacuum equipment (except for projects that require approval according to law, business activities can be carried out independently based on the business license in accordance with the law).. Core products: Variable Frequency Power Supply, Emergency Lighting Centralized Power Supply, Ups Uninterruptible Power Supply

TOP10
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: Variable Frequency Power Supply, Voltage Regulator, Voltage Regulator

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Shenzhen Rongdaxin Power Technology Co., Ltd2008-01-14Variable Frequency Power Supply, Pcb Electroplating Power Supply, Hard Oxidation Power Supply3000K CNYNot Supported
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
Shandong Heyun Electric Co., Ltd2021-09-06Variable Frequency Power Supply, Variable Frequency Power Supply, Inverter3250K CNYNot Supported
Jinan Deming Power Equipment Co., Ltd2004-03-22Variable Frequency Power Supply, Off Grid Photovoltaic Inverter, Grid Connected Controller10000K CNYNot Supported
Yixing Yingli Environmental Protection Equipment Manufacturing Co., Ltd2020-06-08Variable Frequency Power Supply, High Voltage Isolation Box, Spray Tower50000K CNYSupported
Shandong Oulaier Power Supply Co., Ltd2024-08-08Variable Frequency Power Supply, Lead-Acid Battery, Ups Power Supply3000K CNYNot Supported
Jinan Taier Electric Power Technology Co., Ltd2015-04-29Variable Frequency Power Supply, Dc Power Supply, New Energy Power Supply2980K CNYNot Supported
Wenzhou Kaiming Electric Co., Ltd2011-03-15Variable Frequency Power Supply, Emergency Lighting Centralized Power Supply, Ups Uninterruptible Power Supply10000K CNYSupported
Shiguan Electric (Shanghai) Co., Ltd2005-04-25Variable Frequency Power Supply, Voltage Regulator, Voltage Regulator50000K CNYNot Supported

Knowledge Base

Q

When choosing a 50HZ60HZ variable frequency power supply, special attention should be paid to "adaptability, switching performance, and stability". The specific selection points are: firstly, clarify the load parameters, 1 Power and type: Select the matching model based on the load power, with a 10% -30% margin reserved (50% reserved for inductive loads); Distinguish between resistive (such as heating equipment) and inductive (such as motors) loads, inductive

Q

AC variable frequency power supply is a power supply that can convert AC power into adjustable frequency and voltage. It consists of AC input, rectifier, filter, inverter, and control circuit. The function of this power supply is to convert AC power into high-quality, controllable AC power for use in various electronic devices. By changing the output voltage and frequency, AC variable frequency electricity

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