Updated Aug 19, 2026 · Public platform & industry data

Aug 19, 2026 Updated

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2026 Top 10 Switching Power Supply Manufacturers in China Shanghai

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

The top 10 Switching Power Supply manufacturers in Shanghai for 2026 are: Shanghai Qiantuo Trading Co., Ltd, Shanghai Ouqin Electromechanical Engineering Technology Co., Ltd, Chengdu Shanrong Electromechanical Equipment Co., Ltd, Suzhou Dahaishen Power Equipment Co., Ltd, Shanghai Zengkui Automation System Co., Ltd, Changzhou Hongguang Electric Energy Technology Co., Ltd, Dabai Electronic Technology (Shanghai) Co., Ltd, Shiguan Electric (Shanghai) Co., Ltd, Shanghai Tianxi Electrical Equipment Manufacturing Co., Ltd, Shanhua Electronic Technology (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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ShanghaiShanghai
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: Switching Power Supply, Directional Control Valve, Bar Code Scanner

Top 2
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Shanghai Ouqin Electromechanical Engineering Technology Co., Ltd
Overall Score4.8 / 5
Est. Date2010-05-06
Registered Capital5000K CNY

Shanghai Ouqin Electromechanical Engineering Technology Co., Ltd., registered at Room J7686, No. 500 Xincheng Road, Jiading District, Shanghai, with the registration authority of Jiading District Market Supervision Administration and the legal representative of Xu Shengchang, engages in the sales and installation of automation control equipment, installation, commissioning, and maintenance of electromechanical engineering equipment, as well as 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: Switching Power Supply, Hydraulic Cylinder, Sensor

Top 3
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Chengdu Shanrong Electromechanical Equipment Co., Ltd
Overall Score4.8 / 5
Est. Date2017-05-04
Registered Capital2000K CNY

Chengdu Shanrong Electromechanical Equipment Co., Ltd., with its registered address at No. 6 Linjiang Middle Road, Xinnanmen, Wuhou District, Chengdu, is registered with the Wuhou District Market Supervision and Administration Bureau. The legal representative is Dan Rongbing, and its business scope includes general projects such as mechanical equipment sales; Wholesale of hardware products; Sales of intelligent instruments and meters; Wholesale of electronic components; Sales of metal products; Needle textile sales; Wholesale of stationery supplies; Sales of industrial automatic control system devices; Sales of instruments and meters; Sales of hydraulic power machinery and components; Retail of hardware products; Sales of pumps and vacuum equipment; Sales of pneumatic power machinery and components; Sales of power electronic components; Retail of motorcycles and spare parts; Sales of chemical products (excluding licensed chemical products); Retail of computer software, hardware, and auxiliary equipment; Sales of electrical equipment; Sales of office supplies; Information technology consulting services; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion. (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: Switching Power Supply, Diaphragm Valve, Solenoid Valve

TOP4
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: Switching Power Supply, Conventional Variable Frequency Power Supply, Programmable Dc Power Supply

TOP5
Shanghai Zengkui Automation System Co., Ltd
Overall Score4.7 / 5
Est. Date2008-08-15
Registered Capital1500K CNY

Shanghai Zengkui Automation System Co., Ltd., with its registered address at Room 110, Zone M, 1st Floor, Building 1, No. 292 Jiulong Road, Zhujiajiao Town, Qingpu District, Shanghai, is registered with the Qingpu District Market Supervision and Administration Bureau. The legal representative is Li Xiaohui, and its business scope includes technical development and services in the field of automation system equipment, sales of electromechanical equipment, hardware and electrical equipment, electronic products, power tools, instruments and meters, hydraulic and pneumatic equipment, electronic system equipment, and computer accessories. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Switching Power Supply, Switch, Surge Arrester

TOP6
Changzhou Hongguang Electric Energy Technology Co., Ltd
Overall Score4.6 / 5
Est. Date1981-03-12
Registered Capital42420K CNY

Changzhou Hongguang Electric Energy Technology Co., Ltd., with its registered address at No.1 Guiyang Road, Lijia Town, Wujin District, Changzhou City, is registered with the Changzhou Municipal Government Service Management Office and represented by Xu Dongliang. Its business scope includes licensed projects such as the design and production of civil aircraft components; Manufacturing of wires and cables; Lightning protection device detection; Sales of specialized products for computer information system security; Micro satellite scientific research experiment; Micro satellite production and manufacturing (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: research and development of distribution switch control equipment; Manufacturing of distribution switch control equipment; Manufacturing of power transmission, distribution and control equipment; Sales of intelligent power transmission and distribution and control equipment; Manufacturing of transformers, rectifiers, and inductors; Sales of distribution switch control equipment; Manufacturing of monitoring and control equipment for power transmission and distribution; Sales of monitoring and control equipment for power transmission and distribution; Manufacturing of power facilities and equipment; Sales of power facilities and equipment; Manufacturing of power electronic components; Sales of power electronic components; Manufacturing of mechanical and electrical equipment; Sales of mechanical and electrical equipment; Energy storage technology services; Motor manufacturing; Manufacturing of household appliances; Manufacturing of communication equipment; Sales of communication equipment; Operation of wires and cables; Manufacturing of computer software, hardware, and peripheral devices; Manufacturing of information security equipment; Manufacturing of electronic components; Integrated circuit manufacturing; Integrated circuit design; Integrated circuit sales; Manufacturing of integrated circuit chips and products; Integrated circuit chip design and services; Sales of integrated circuit chips and products; Manufacturing of radar and supporting equipment; General equipment repair; Electrical equipment repair; Manufacturing of lighting fixtures; Sales of lighting fixtures; Sales of new energy original equipment; Manufacturing of new energy prime mover equipment; Research and development of emerging energy technologies; Manufacturing of industrial control computers and systems; Sales of industrial control computers and systems; Sales of advanced power electronic devices; Wholesale of electronic components; Retail of electronic components; Manufacturing of electronic components and electromechanical equipment; Manufacturing of electronic specialized materials; Research and development of electronic specialized materials; Sales of specialized equipment, key systems, and components for rail transit; Manufacturing of automotive parts and accessories; Retail of automotive spare parts; Manufacturing of generators and generator sets; Manufacturing of electric motors; Software development; Manufacturing of photovoltaic equipment and components; Research and development of household appliances; Fastener manufacturing; Sales of fasteners; Manufacturing of general components; Nonferrous metal casting; Black metal casting; Mold manufacturing; Mold sales; Sales of high-performance non-ferrous metals and alloy materials; General equipment manufacturing (excluding special equipment manufacturing); Research and development of new material technology; Manufacturing of metal structures; Sales of metal structures; Manufacturing of navigation equipment and related devices; Sales of electrical accessories; Manufacturing of electrical accessories; Artificial intelligence industry application system integration services; Sales of artificial intelligence hardware; Artificial Intelligence Universal Application System; Basic software development for artificial intelligence; Artificial intelligence theory and algorithm software development; Development of artificial intelligence application software; Industrial robot manufacturing; Sales of industrial robots; Installation and maintenance of industrial robots; Research and development of intelligent robots; Sales of intelligent robots; Manufacturing of service consumption robots; Sales of service consumption robots; Manufacturing of special task robots; Manufacturing of intelligent unmanned aerial vehicles; Sales of intelligent unmanned aerial vehicles; Industrial design services; Manufacturing of hardware products; Research and development of hardware products; Retail of hardware products; Wholesale of hardware products; Sales of intelligent material handling equipment; Manufacturing of material handling equipment; Manufacturing of marine environment monitoring and detection equipment; Sales of marine environmental monitoring and detection equipment; Professional repair of radar and radio navigation equipment; Manufacturing of electronic measuring instruments; Sales of electronic measuring instruments; Sales of information security equipment; Manufacturing of micro motors and components; Manufacturing of satellite mobile communication terminals; Sales of satellite mobile communication terminals; Non residential real estate leasing; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion (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: Switching Power Supply, Poe Power Supply, Module

TOP7
Dabai Electronic Technology (Shanghai) Co., Ltd
Overall Score4.6 / 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: Switching Power Supply, Md200 Series, Emt Series

TOP8
Shiguan Electric (Shanghai) Co., Ltd
Overall Score4.6 / 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: Switching Power Supply, Voltage Regulator, Voltage Regulator

TOP9
Shanghai Tianxi Electrical Equipment Manufacturing Co., Ltd
Overall Score4.4 / 5
Est. Date2013-06-17
Registered Capital5880K CNY

Shanghai Tianxi Electrical Equipment Manufacturing Co., Ltd., registered at No. 90, Lane 328, Hengyong Road, Jiading District, Shanghai, with a registered office at Jiading District Market Supervision Administration and legal representative Zhu Jun. Its business scope includes general projects such as power transmission and distribution and control equipment manufacturing; Manufacturing of mechanical and electrical equipment; Manufacturing of electrical accessories; Manufacturing of distribution switch control equipment; Manufacturing of electronic components and electromechanical equipment; Manufacturing of electronic specialized equipment; Sales of electrical equipment; Sales of electrical accessories; Sales of distribution switch control equipment; Sales of intelligent power transmission and distribution and control equipment; Sales of electronic components and electromechanical equipment; Sales of electronic specialized equipment; Sales of metal materials; Sales of packaging materials and products; Battery sales; Sales of office supplies; Retail of hardware products; Wholesale of hardware products; Electronic product sales; Operation of wires and cables; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion. (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: Switching Power Supply, Ac-Ac Special Transformer, Tcr-H Series Inverter

TOP10
Shanhua Electronic Technology (Shanghai) Co., Ltd
Overall Score4.4 / 5
Est. Date2001-10-16
Registered Capital4000K USD

Shanhua Electronic Technology (Shanghai) Co., Ltd., with its registered address at B, C, D, E, and F, 2nd Floor, East Building, 168 Meisheng Road, China (Shanghai) Pilot Free Trade Zone, is registered with the Market Supervision Administration of the Pilot Free Trade Zone, and its legal representative is Gen Nishino. Its business scope includes general projects such as international trade, transit trade, trade between enterprises within the zone, and trade agency within the zone; Commercial simple processing within the area; Business consulting services within the district; Storage and distribution business mainly focused on electronic products, electrical products, and mechanical products; Wholesale, commission agency (excluding auctions), online retail, import and export, and other related supporting businesses of mechanical equipment, electronic products, electrical products and their components, computer software and hardware and auxiliary equipment, Class I medical devices, wearable smart devices, petroleum products (excluding hazardous chemicals), lubricants, chemical products (excluding hazardous chemicals, monitored chemicals, civilian explosives, and precursor chemicals), glass products, office supplies, technology development, technology transfer, technology consulting, and technical services in the fields of automation control systems, information technology, and intelligent equipment. Engineering design, system integration, installation and commissioning, and technical services for automation engineering and mechanical engineering projects, as well as software development. (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: Switching Power Supply, Yaskawa, Guhe Electric Wire Industry

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Shanghai Qiantuo Trading Co., Ltd2008-09-18Switching Power Supply, Directional Control Valve, Bar Code Scanner2000K CNYNot Supported
Shanghai Ouqin Electromechanical Engineering Technology Co., Ltd2010-05-06Switching Power Supply, Hydraulic Cylinder, Sensor5000K CNYNot Supported
Chengdu Shanrong Electromechanical Equipment Co., Ltd2017-05-04Switching Power Supply, Diaphragm Valve, Solenoid Valve2000K CNYNot Supported
Suzhou Dahaishen Power Equipment Co., Ltd2020-10-20Switching Power Supply, Conventional Variable Frequency Power Supply, Programmable Dc Power Supply10000K CNYSupported
Shanghai Zengkui Automation System Co., Ltd2008-08-15Switching Power Supply, Switch, Surge Arrester1500K CNYNot Supported
Changzhou Hongguang Electric Energy Technology Co., Ltd1981-03-12Switching Power Supply, Poe Power Supply, Module42420K CNYNot Supported
Dabai Electronic Technology (Shanghai) Co., Ltd2010-02-03Switching Power Supply, Md200 Series, Emt Series1000K CNYNot Supported
Shiguan Electric (Shanghai) Co., Ltd2005-04-25Switching Power Supply, Voltage Regulator, Voltage Regulator50000K CNYNot Supported
Shanghai Tianxi Electrical Equipment Manufacturing Co., Ltd2013-06-17Switching Power Supply, Ac-Ac Special Transformer, Tcr-H Series Inverter5880K CNYNot Supported
Shanhua Electronic Technology (Shanghai) Co., Ltd2001-10-16Switching Power Supply, Yaskawa, Guhe Electric Wire Industry4000K USDNot Supported

Purchasing Guide

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

  • For procurement requirements that require the use of switch mode power supplies, it is recommended to match them based on key parameters such as input and output voltage range, power capacity, and efficiency. Industrial equipment typically requires wide voltage input models, while communication equipment focuses more on voltage stabilization accuracy.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and companies with industry data support. These suppliers usually have more stable delivery records in sub fields such as medical equipment or automation control.
  • In scenarios such as LED lighting or security systems, it is recommended to choose switch mode power supplies with lightning protection design and low-temperature start-up characteristics to meet the special requirements of outdoor environments.
  • When purchasing, attention should be paid to the impact of different packaging forms (such as rail type or open type) on installation conditions. Modular design is often used in cabinet integration scenarios to save space, while distributed layout may require independent protective enclosures.

Knowledge Base

Q

The selection of a 50W switching power supply needs to comprehensively consider multiple aspects such as load requirements, input and output parameters, efficiency heat dissipation, safety certification, installation methods, and additional functions. By accurately matching load characteristics, optimizing input-output adaptability, improving energy efficiency and thermal management capabilities, meeting EMC and safety regulations, and balancing mechanical structure and scalability, efficient and reliable power supply solutions can be achieved.

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