Updated Sep 2, 2026 · Public platform & industry data

Sep 2, 2026 Updated

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2026 Top 10 Variable Frequency Device Manufacturers in China Shanghai

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

The top 10 Variable Frequency Device manufacturers in Shanghai for 2026 are: Shanghai Qiantuo Trading Co., Ltd, Shanghai Haifei Control Equipment Co., Ltd, Shanghai Tiance Automation Technology Co., Ltd, Shanghai Jinlingxiang Automation Technology Co., Ltd, Shanghai Zhongheng Kelian Automation Equipment Co., Ltd, Shanghai Kuanying Automation Equipment Co., Ltd, Dabai Electronic Technology (Shanghai) Co., Ltd, Shanghai Shiuoge Electric Co., Ltd, Shanghai Zhanyu Automation Technology Co., Ltd, Dagang Automation Equipment (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.

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Top 1
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Shanghai Qiantuo Trading Co., Ltd
Overall Score4.9 / 5
Est. Date2008-09-18
Registered Capital2000K CNY

Shanghai Qiantuo Trading Co., Ltd., with its registered address at Room 713, Lane 99, Jiayong Road, Jiading District, Shanghai, is registered with the Jiading District Market Supervision Bureau. The legal representative is Dan Rongbing, and its business scope includes the sale of mechanical equipment, hardware tools, instruments and meters, electronic components, chemical raw materials (excluding hazardous chemicals, monitoring chemicals, fireworks and firecrackers, civilian explosives, and precursor chemicals), building decoration materials, computers and accessories, lighting appliances, automotive and motorcycle accessories, daily necessities, metal products, textiles, and office supplies. It engages in the import and export of goods and technology. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Variable Frequency Device, Solenoid Valve, Valve Positioner

Top 2
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Shanghai Haifei Control Equipment Co., Ltd
Overall Score4.7 / 5
Est. Date2011-11-02
Registered Capital5000K CNY

Shanghai Haifei Control Equipment Co., Ltd., located at Room 127, Building 1, No. 943 Lingzhi Village, Fengpu Development Zone, Fengxian District, Shanghai, was established on November 2, 2011. The registration authority is the Fengxian District Market Supervision Administration, and the legal representative is Ding Bangfu. Core products: Variable Frequency Device, Camozzi Valve, F. R, L Components

Top 3
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Shanghai Tiance Automation Technology Co., Ltd
Overall Score4.7 / 5
Est. Date2016-09-28
Registered Capital10000K CNY

Shanghai Tiance Automation Technology Co., Ltd., with its registered address at 2nd Floor, No. 10, Lane 255, Xiaotang Road, Fengxian District, Shanghai, is registered with the Market Supervision Administration of Fengxian District. The legal representative is Shen Jianghong, and its business scope includes technology development, technical services, technical consulting, technology transfer in the field of automation technology, manufacturing and processing of mechanical and electrical equipment (limited to branch operations), installation and maintenance of mechanical equipment, wholesale and retail of electrical complete sets of equipment, industrial automation equipment, mechanical and electrical equipment, instruments and meters, hardware and electrical equipment, electronic products, building materials, daily necessities, computers, software, and auxiliary equipment. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Variable Frequency Device, Chint Frequency Converter, Em303b

TOP4
Shanghai Jinlingxiang Automation Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2021-08-27
Registered Capital2000K CNY

Shanghai Jinlingxiang Automation Technology Co., Ltd. is registered at Building 5, No. 55 Jian'an Road, Fengjing Town, Jinshan District, Shanghai (Zhangjiang Yangtze River Delta Science and Technology City). The registration authority is Jinshan District Market Supervision Administration, and the legal representative is Zhu Zongshan. The business scope includes licensed projects such as food sales. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments. Specific business projects shall be subject to the approval documents or licenses of relevant departments.) General projects: technical services, technology development, technology consulting, technology exchange, technology transfer, technology promotion; Installation services for ordinary mechanical equipment; Electrical equipment repair; Import and export of goods; Technology import and export; Sales agent; Sales of industrial automatic control system devices; Sales of intelligent power transmission and distribution and control equipment; Sales of electrical equipment; Electronic product sales; Sales of electronic specialized equipment; Sales of communication equipment; Sales of instruments and meters; Sales of daily necessities; Sales of office supplies; Sales of paper products; Sales of office equipment; Sales of packaging materials and products; Sales of chemical products (excluding licensed chemical products); Sales of plastic products; Sales of metal products; Sales of glassware; Sales of building materials; Sales of high-performance non-ferrous metals and alloy materials; Sales of non-ferrous metal alloys; Sales of building decoration materials; Furniture sales; Sales of needle textiles and raw materials; Fertilizer sales; Sales of communication equipment; Sales of electronic components and electromechanical equipment; Sales of mechanical equipment; Sales of mechanical parts and components; Wholesale of electronic components; Wholesale of hardware products; Wholesale of computer software, hardware, and auxiliary equipment; Retail of arts and crafts and collectibles (excluding ivory and its products); Internet sales (except for the sale of goods that need to be licensed); Operation of wires and cables. (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 Device, Et200al Connection Module, Hmi

TOP5
Shanghai Zhongheng Kelian Automation Equipment Co., Ltd
Overall Score4.6 / 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 Device, Et200 Process Module, Digital Output Signal Module

TOP6
Shanghai Kuanying Automation Equipment Co., Ltd
Overall Score4.5 / 5
Est. Date2012-12-28
Registered Capital500K CNY

Shanghai Kuanying Automation Equipment Co., Ltd., registered address at E, 8th Floor, Building 5, No. 2278 Zhaozhong Road, Chonggu Town, Qingpu District, Shanghai Room 867, registered with the Qingpu District Market Supervision and Administration Bureau, with Chen Maojiu as the legal representative. The business scope includes wholesale and retail of automation equipment, electronic products, electrical equipment, electromechanical equipment and accessories, mechanical equipment and accessories, instruments and meters, communication equipment (excluding satellite TV broadcasting ground receiving facilities), plastic products, rubber products, office equipment, daily necessities, hardware products, chemical products and raw materials (excluding hazardous chemicals, monitored chemicals, fireworks and firecrackers, civilian explosives, and precursor chemicals), lubricants, building materials, decorative materials, bedding, cosmetics, toys, handicrafts, wires and cables, computers, software and auxiliary equipment (excluding computer information system security special products), industrial automation system integration, computer networks Engineering construction, Comprehensive cabling, maintenance of electromechanical equipment and mechanical equipment (excluding special equipment and agricultural machinery). Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Variable Frequency Device, Md500e, Md290

TOP7
Dabai Electronic Technology (Shanghai) Co., Ltd
Overall Score4.5 / 5
Est. Date2010-02-03
Registered Capital1000K CNY

Da Bai Electronic Technology (Shanghai) Co., Ltd., registered at Room 1434, No. 65 Haifeng Road, Jinshan District, Shanghai, with the registration authority of Jinshan District Market Supervision Bureau and the legal representative of Zhang Lizhi, engages in technical development, technology transfer, technical consulting, and technical services in the professional fields of electronic technology and electromechanical equipment technology. Its business scope includes sales of electromechanical equipment, electronic products, communication equipment, automotive parts, rubber and plastic products, textile machinery, cotton textiles, sales, maintenance, and design of automation control equipment. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Variable Frequency Device, Smart200 Series, Service Center

TOP8
Shanghai Shiuoge Electric Co., Ltd
Overall Score4.5 / 5
Est. Date2020-12-07
Registered Capital1000K CNY

Shanghai Shiuoge Electric Co., Ltd., with its registered address at 7K, No. 8519 Nanfeng Road, Fengxian District, Shanghai, registered with the Market Supervision Administration of Fengxian District, and represented by Zeng Liangliang as its legal representative. Its business scope includes general projects such as sales of electrical equipment; Wholesale of electronic components; Sales of lighting fixtures; Retail of hardware products; Wholesale of hardware products; Lighting fixture manufacturing [branch operation]; Electronic component manufacturing [branch operation]; Manufacturing of architectural decoration, plumbing components, and other metal products for construction [branch operation]; Manufacturing of transformers, rectifiers, and inductors [branch operations]; Electrical equipment repair; Sales of mechanical equipment; Operation of wires and cables; Instrument and meter repair; Sales of specialized instruments and meters for agriculture, forestry, animal husbandry, and fishing; Sales of water quality pollutant monitoring and detection instruments and meters; Sales of power electronic components; Sales of power facilities and equipment; Sales of distribution switch control equipment; Sales of building decoration materials; Sales of household items; Furniture sales; Sales of pneumatic power machinery and components; Sales of liquid tight components and systems; Sales of hydraulic power machinery and components; Sales of industrial automatic control system devices; Sales of mechanical and electrical equipment; Sales of instruments and meters. (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 Device, Mitsubishi Inverter, Solenoid Valve

TOP9
Shanghai Zhanyu Automation Technology Co., Ltd
Overall Score4.4 / 5
Est. Date2014-04-10
Registered Capital1000K CNY

Shanghai Zhanyu Automation Technology Co., Ltd. is registered at Room 503, No. 358 Ledu Road, Songjiang District, Shanghai. The registration authority is the Songjiang District Market Supervision Administration, and the legal representative is Du Jin'e. Its business scope includes technical development, technical services, technology transfer, technical consulting in the field of automation technology, sales of electrical equipment and accessories, complete sets of automation equipment and accessories, industrial automation control equipment, electronic products and accessories, instruments and meters, and wires and cables. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Variable Frequency Device, Et200sp, S7-200Smart

TOP10
Dagang Automation Equipment (Shanghai) Co., Ltd
Overall Score4.3 / 5
Est. Date2019-05-14
Registered Capital2000K CNY

Dagang Automation Equipment (Shanghai) Co., Ltd., with its registered address at Room 874, K Zone, 8th Floor, Building 1, No. 9138 Beiqing Road, Qingpu District, Shanghai, is registered with the Qingpu District Market Supervision and Administration Bureau. The legal representative is Chen Maojiu, and its business scope includes the sale of automation equipment, electronic products, electrical equipment, electromechanical equipment and accessories, mechanical equipment and accessories, instruments and meters, computer software and hardware and auxiliary equipment, computer system integration, maintenance of electromechanical equipment, maintenance of mechanical equipment, e-commerce (excluding value-added telecommunications and financial services). Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Variable Frequency Device, Gd350a, Gd270

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Shanghai Qiantuo Trading Co., Ltd2008-09-18Variable Frequency Device, Solenoid Valve, Valve Positioner2000K CNYNot Supported
Shanghai Haifei Control Equipment Co., Ltd2011-11-02Variable Frequency Device, Camozzi Valve, F. R, L Components5000K CNYNot Supported
Shanghai Tiance Automation Technology Co., Ltd2016-09-28Variable Frequency Device, Chint Frequency Converter, Em303b10000K CNYNot Supported
Shanghai Jinlingxiang Automation Technology Co., Ltd2021-08-27Variable Frequency Device, Et200al Connection Module, Hmi2000K CNYNot Supported
Shanghai Zhongheng Kelian Automation Equipment Co., Ltd2021-10-11Variable Frequency Device, Et200 Process Module, Digital Output Signal Module2000K CNYNot Supported
Shanghai Kuanying Automation Equipment Co., Ltd2012-12-28Variable Frequency Device, Md500e, Md290500K CNYNot Supported
Dabai Electronic Technology (Shanghai) Co., Ltd2010-02-03Variable Frequency Device, Smart200 Series, Service Center1000K CNYNot Supported
Shanghai Shiuoge Electric Co., Ltd2020-12-07Variable Frequency Device, Mitsubishi Inverter, Solenoid Valve1000K CNYNot Supported
Shanghai Zhanyu Automation Technology Co., Ltd2014-04-10Variable Frequency Device, Et200sp, S7-200Smart1000K CNYNot Supported
Dagang Automation Equipment (Shanghai) Co., Ltd2019-05-14Variable Frequency Device, Gd350a, Gd2702000K CNYNot Supported

Purchasing Guide

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

  • When selecting frequency converters for supply, it is recommended that enterprises match key technical parameters such as output voltage and frequency regulation accuracy based on load type and motor power range. There is a significant difference in dynamic response requirements between industrial production lines and HVAC systems.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and companies with industry data support. In the chemical industry, special attention should be paid to industry application cases of explosion-proof model suppliers.
  • When purchasing frequency converters, it is usually necessary to pay special attention to the heat dissipation design and protection level. For applications in harsh environments such as mining machinery, the protection standard should reach IP65 or above.
  • For high torque application scenarios in the metallurgical industry, it is recommended to choose models with an instantaneous overload capacity of over 150%, while verifying the supplier's equipment operation data in the heavy industry field.

Knowledge Base

Q

In the field of power detection, variable frequency series resonant devices are the core equipment to ensure the safety of the power grid. Wuhan Ultra High Voltage Power Company has accumulated 20 years of expertise in high-voltage electrical measurement technology, and its independently developed series resonant device has become the industry's preferred choice due to its precision, efficiency, and stability. Leading technology: Military grade quality escorts power grid safety

Q

Baidu AiGou has found pictures of different categories of variable frequency energy-saving devices for you, taking you to appreciate the diversity and uniqueness of variable frequency energy-saving devices. At the same time, we also recommend high-quality variable frequency energy-saving devices for you, allowing you to easily and quickly find the most suitable variable frequency energy-saving device for yourself when purchasing.

Q

The wiring method of the variable frequency series resonance test device is a relatively complex but critical process, which directly affects the accuracy and safety of the test. The following is a wiring method compiled from authoritative sources: Basic wiring steps to connect the variable frequency power supply to the excitation transformer: Connect the output terminal of the variable frequency power supply to the primary side of the excitation transformer to ensure contact

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