Updated Oct 12, 2026 · Public platform & industry data

Oct 12, 2026 Updated

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2026 Top 10 Variable Frequency And Variable Voltage Power Supply Manufacturers in China

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

The top 10 Variable Frequency And Variable Voltage Power Supply manufacturers in China for 2026 are: Shandong Zhongtan Intelligent Equipment Co., Ltd, Zhejiang Fujie Electric Co., Ltd, Shanghai Zhongheng Kelian Automation Equipment Co., Ltd, Shanghai Yibo Electronics Co., Ltd, Shanghai Chengda Automation System Engineering Co., Ltd, Shanghai Wanchang Industrial Co., Ltd, Shanghai Chengcheng Automation Equipment Co., Ltd, Shanghai Lingheng Automation Technology Co., Ltd, Shanghai Ruize Automation System Engineering Co., Ltd, Shanghai Longxi Electromechanical Equipment Center. 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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Shandong Zhongtan Intelligent Equipment Co., Ltd
Overall Score4.9 / 5
Est. Date2022-03-01
Registered Capital10000K CNY

Shandong Zhongtan Intelligent Equipment Co., Ltd., with its registered address at Room 810, Xieying Science and Technology Building, Xianying Street, Rencheng District, Jining City, Shandong Province, is registered with the Market Supervision Administration of Rencheng District, Jining City. The legal representative is Xi Laiwei, and the business scope includes general projects: manufacturing of intelligent basic manufacturing equipment; 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; Manufacturing of intelligent instruments and meters; Sales of intelligent basic manufacturing equipment; Sales of railway transportation infrastructure equipment; Import and export of goods; Technology import and export; Sales of photovoltaic equipment and components; Wood sales; Wood processing. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license) Licensed project: Manufacturing of railway transportation infrastructure equipment. (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 And Variable Voltage Power Supply, Steel Products, Instrumentation And Meters

Top 2
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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: Variable Frequency And Variable Voltage Power Supply, Marine Transformer, Mining Dry-Type Transformer

Top 3
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Shanghai Zhongheng Kelian Automation Equipment Co., Ltd
Overall Score4.7 / 5
Est. Date2021-10-11
Registered Capital2000K CNY

Shanghai Zhongheng Kelian Automation Equipment Co., Ltd., with its registered address at Building 1, No. 1 Haikun Road, Fengxian District, Shanghai, registered with the Market Supervision Administration of Fengxian District, and represented by Tian Yi as its legal representative. Its business scope includes general projects such as sales of industrial automatic control system devices; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Home appliance installation services; Installation services for ordinary mechanical equipment; Sales of electrical equipment; Sales of mechanical and electrical equipment; General equipment repair; Sales of power electronic components; Operation of wires and cables; Sales of instruments and meters for supply (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 And Variable Voltage Power Supply, Et200 Relay Output, Et200 Process Module

TOP4
Shanghai Yibo Electronics Co., Ltd
Overall Score4.6 / 5
Est. Date2016-12-13
Registered Capital3000K CNY

Shanghai Yibo Electronics Co., Ltd., with its registered address at Room 6337, 6th Floor, Building 22, No. 85 Mingnan Road, Zhongshan Street, Songjiang District, Shanghai, is registered with the Songjiang District Administration for Market Regulation. The legal representative is Liu Mingkai, and its business scope includes general projects such as electronic product sales; Sales of mechanical and electrical equipment; Sales of power facilities and equipment; Sales of instruments and meters; Wholesale of hardware products; Retail of hardware products; Sales of mechanical equipment; Sales of communication equipment; Sales of specialized equipment for environmental protection; Wholesale of electronic components; Retail of electronic components; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Import and export of goods; Technology import and export; Manufacturing of mechanical and electrical equipment; Manufacturing of electronic components; Manufacturing of transformers, rectifiers, and inductors; Battery manufacturing. (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 And Variable Voltage Power Supply, , Capacitor

TOP5
Shanghai Chengda Automation System Engineering Co., Ltd
Overall Score4.6 / 5
Est. Date2006-09-13
Registered Capital1000K CNY

Shanghai Chengda Automation System Engineering Co., Ltd. is registered at Room 101, Building 3, No. 151 Jiapeng Road, Jiuliting Street, Songjiang District, Shanghai. The registration authority is the Songjiang District Market Supervision Bureau, and the legal representative is Chen Jie. Its business scope includes technology development, technology transfer, technical services, and technical consulting in the field of automation system engineering, as well as sales of mechanical equipment, electromechanical equipment, instruments and meters, hardware and electrical equipment, metal materials, household appliances, electronic products, communication equipment and related products, decorative materials, and daily necessities. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Variable Frequency And Variable Voltage Power Supply, Parker 590 Dc Speed Controller, Shanghai Chengda - Electret Processor

TOP6
Shanghai Wanchang Industrial Co., Ltd
Overall Score4.5 / 5
Est. Date2012-12-13
Registered Capital1000K CNY

Shanghai Wanchang Industrial Co., Ltd., registered at Room 216-1, No. 2, Lane 600, Guangfulin Road, Songjiang District, Shanghai, with the registration authority of Songjiang District Market Supervision Administration and the legal representative of Wulin. Its business scope includes general projects: sales of mechanical equipment; Electronic product sales; Retail of electronic components; Wholesale of electronic components; Operation of wires and cables; Sales of instruments and meters; Sales of special ceramic products; Sales of architectural ceramic products; Sales of refractory materials; Sales of chemical products (excluding licensed chemical products); Sales of electrical equipment; Sales of mechanical and electrical equipment; Sales of power facilities and equipment; Sales of cameras and equipment; Sales of audio equipment; Wholesale of clothing and apparel; Clothing and apparel retail; Wholesale of shoes and hats; Retail of shoes and hats; Wholesale of cosmetics; Retail of cosmetics; Sales of optical instruments; Sales of refrigeration and air conditioning equipment; Import and export of goods; Technology import and export; Municipal facility management; Information consulting services (excluding licensed information consulting services); Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Professional cleaning, washing, and disinfection services; Building cleaning services. (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 And Variable Voltage Power Supply, Honeywell Gas Detector, Valve Actuator

TOP7
Shanghai Chengcheng Automation Equipment Co., Ltd
Overall Score4.5 / 5
Est. Date2009-04-30
Registered Capital3000K CNY

Shanghai Licheng Automation Equipment Co., Ltd., with its registered address at Room 1018, Building 3, No. 318 Rongchang Road, Ganxiang, Lvxiang Town, Jinshan District, Shanghai, is registered with the Jinshan District Market Supervision and Administration Bureau. The legal representative is Yan Liuxiang, and the business scope includes industrial automation equipment, electromechanical equipment and accessories, electronic components, pneumatic components, high and low voltage electrical equipment, building intelligent equipment, instruments and meters, hardware and electrical equipment, security equipment, energy-saving equipment, mechanical equipment, computers, software and auxiliary equipment sales. It engages in the import and export of goods and technology, installation and maintenance of industrial automation equipment, technical development, technology transfer, technical consulting, and technical services in the professional fields of computer software and hardware, electrical equipment, electromechanical equipment, new energy, and solar energy technology. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Variable Frequency And Variable Voltage Power Supply, Solenoid Valve, Drive

TOP8
Shanghai Lingheng Automation Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2019-08-14
Registered Capital3500K CNY

Shanghai Lingheng Automation Technology Co., Ltd. is registered at No. 361 Xinzhan Road, Xinqiao Town, Songjiang District, Shanghai. The registration authority is the Songjiang District Market Supervision Administration, and the legal representative is Yang Fengtang. Its business scope includes technology development, technical services, technical consulting, and technology transfer in the field of automation technology, construction of electrical equipment, mechanical equipment, and electromechanical installation projects, sales of electronic and electrical products, hardware and electrical equipment, electronic components, automation equipment, electromechanical products, instruments and meters, computer software and hardware and accessories, metal materials, maintenance of building decoration materials, and professional construction of electromechanical equipment installation and construction projects. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Variable Frequency And Variable Voltage Power Supply, Circuit Breaker, Control Module

TOP9
Shanghai Ruize Automation System Engineering Co., Ltd
Overall Score4.4 / 5
Est. Date2014-12-26
Registered Capital1000K CNY

Shanghai Ruize Automation System Engineering Co., Ltd. is registered at Room 2037, Building 3, No. 495 Yuejin South Road, Xinhai Town, Chongming District, Shanghai (Guangming Rice Industry Economic Park). The registration authority is Chongming District Market Supervision Bureau, and the legal representative is Wang Xiaoli. The business scope includes automation system engineering and design, technology development and transfer in the field of automation technology, technical consulting and technical services, sales of electromechanical products, electrical equipment, hydraulic equipment, instruments and meters, electrical appliances, electronic components, CNC machine tools and accessories, and mechanical equipment. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Variable Frequency And Variable Voltage Power Supply, Switch, Servo Motor

TOP10
Shanghai Longxi Electromechanical Equipment Center
Overall Score4.4 / 5
Est. Date2020-04-10
Registered Capital3000K CNY

Shanghai Longxi Electromechanical Equipment Center, located at Room 75538, Building 3, No. 1800 Panyuan Road, Changxing Town, Chongming District, Shanghai (Taihe Economic Development Zone, Shanghai), was established on April 10, 2020. The registration authority is Chongming District Market Supervision Administration, and the legal representative is Li Zhuang. Core products: Variable Frequency And Variable Voltage Power Supply, Dc Speed Regulator, Power Strip

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Shandong Zhongtan Intelligent Equipment Co., Ltd2022-03-01Variable Frequency And Variable Voltage Power Supply, Steel Products, Instrumentation And Meters10000K CNYSupported
Zhejiang Fujie Electric Co., Ltd2006-03-03Variable Frequency And Variable Voltage Power Supply, Marine Transformer, Mining Dry-Type Transformer60000K CNYNot Supported
Shanghai Zhongheng Kelian Automation Equipment Co., Ltd2021-10-11Variable Frequency And Variable Voltage Power Supply, Et200 Relay Output, Et200 Process Module2000K CNYNot Supported
Shanghai Yibo Electronics Co., Ltd2016-12-13Variable Frequency And Variable Voltage Power Supply, , Capacitor3000K CNYNot Supported
Shanghai Chengda Automation System Engineering Co., Ltd2006-09-13Variable Frequency And Variable Voltage Power Supply, Parker 590 Dc Speed Controller, Shanghai Chengda - Electret Processor1000K CNYNot Supported
Shanghai Wanchang Industrial Co., Ltd2012-12-13Variable Frequency And Variable Voltage Power Supply, Honeywell Gas Detector, Valve Actuator1000K CNYNot Supported
Shanghai Chengcheng Automation Equipment Co., Ltd2009-04-30Variable Frequency And Variable Voltage Power Supply, Solenoid Valve, Drive3000K CNYNot Supported
Shanghai Lingheng Automation Technology Co., Ltd2019-08-14Variable Frequency And Variable Voltage Power Supply, Circuit Breaker, Control Module3500K CNYNot Supported
Shanghai Ruize Automation System Engineering Co., Ltd2014-12-26Variable Frequency And Variable Voltage Power Supply, Switch, Servo Motor1000K CNYNot Supported
Shanghai Longxi Electromechanical Equipment Center2020-04-10Variable Frequency And Variable Voltage Power Supply, Dc Speed Regulator, Power Strip3000K CNYNot Supported

Purchasing Guide

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

  • In the actual procurement process of variable frequency and variable voltage power supplies, it is recommended to prioritize confirming key technical parameters such as output voltage range and frequency regulation accuracy to ensure compatibility with equipment load requirements, such as high waveform stability requirements in industrial testing or laboratory scenarios.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and companies with industry data support. Such suppliers can usually provide more stable power conversion solutions.
  • For different application scenarios such as new energy grid connection testing or aerospace equipment power supply, attention should be paid to the transient response capability and heat dissipation design of variable frequency and variable voltage power supplies to avoid the impact of overload on system reliability.
  • For the field of high-precision manufacturing, it is recommended to choose a variable frequency transformer power supply with a wide input voltage adaptation range and low harmonic distortion rate, and evaluate the long-term potential for cooperation based on the industry performance data of the supplier.

Knowledge Base

Q

In the fields of industrial automation, power systems, and precision equipment control, variable frequency and variable voltage power supplies are one of the key equipment, and their performance and stability directly affect the operational efficiency of the entire system. Therefore, how to scientifically select suitable suppliers has become a crucial issue that must be taken seriously in the procurement process of enterprises. Firstly, it is necessary to clarify the specific application scenarios and requirements of variable frequency and variable voltage power supplies. For example,

Q

This article systematically introduces the working principle, core advantages, and typical application scenarios of variable frequency and variable voltage power supplies. By comparing traditional power supply solutions, it analyzes their intelligent regulation characteristics and energy-saving potential, helping readers understand the important application of this power electronics technology.

Q

Variable frequency and variable voltage power supply is a power supply device that can achieve voltage and frequency regulation, widely used in industry, power systems, and precision electronic equipment. Its core function is to meet the power supply requirements of different loads by adjusting the output voltage and frequency, thereby improving energy utilization efficiency and reducing energy loss. In traditional power systems, voltage and frequency are usually fixed, without

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