Updated Aug 31, 2026 · Public platform & industry data

Aug 31, 2026 Updated

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2026 Top 10 Power Supply Manufacturers in China Shanghai

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

The top 10 Power Supply manufacturers in Shanghai for 2026 are: Shanghai Saiji Electronics Co., Ltd, Adat (Dongguan) Electronic Trading Co., Ltd, Shanghai Xinerli Testing Equipment Co., Ltd, Beijing Weishi Tiancheng Technology Co., Ltd, Maillard Power System (Jiangsu) Co., Ltd, Shanghai Chuxin Electric Technology Co., Ltd, Shanghai Jinsheng Electrical Equipment Manufacturing Co., Ltd, Shanghai Hongzhi Electric Group Co., Ltd, Shanghai Chengli Electrical Equipment Manufacturing Co., Ltd, Shanghai Ruijin Power 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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ShanghaiShanghai
Top 1
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Shanghai Saiji Electronics Co., Ltd

Room J2812, Building 5, No. 3131 Jinshajiang Road, Zhenxin Street, Jiading District, Shanghai

Overall Score4.9 / 5
Est. Date2011-03-15
Registered Capital5000K CNY

Shanghai Saiji Electronics Co., Ltd., located at Room J2812, Building 5, No. 3131 Jinshajiang Road, Zhenxin Street, Jiading District, Shanghai, was established on March 15, 2011. The registration authority is Jiading District Market Supervision Administration, and the legal representative is Fu Danqing. Core products: Power Supply

Top 2
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Adat (Dongguan) Electronic Trading Co., Ltd

Room 401, No. 7 Yangwu 3rd Road, Xiasha, Shipai Town, Dongguan City, Guangdong Province

Overall Score4.7 / 5
Est. Date2026-03-13
Registered Capital500K CNY

Adate (Dongguan) Electronic Trading Co., Ltd., located at Room 401, No. 7 Yangwu 3rd Road, Xiasha, Shipai Town, Dongguan City, Guangdong Province, was established on March 13, 2026. The registration authority is Dongguan Market Supervision Administration, and the legal representative is Wang Shuangxi. Core products: Power Supply

Top 3
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Shanghai Xinerli Testing Equipment Co., Ltd
Overall Score4.7 / 5
Est. Date2019-12-10
Registered Capital2000K CNY

Shanghai Xinerli Testing Equipment Co., Ltd. is registered at Room E236, 3rd Floor, No. 1500 Tingwei Road, Shanyang Town, Jinshan District, Shanghai. The registration authority is Jinshan District Market Supervision Administration, and the legal representative is Zhang Xinming. The company's business scope includes the sales of instruments and meters, electronic products, computers, software and auxiliary equipment, communication equipment, and mechanical equipment. It engages in technical development, technology transfer, technical consulting, technical services, computer software development and maintenance, enterprise marketing planning, market information consulting and investigation (excluding social surveys, social research, public opinion surveys, and opinion polls), computer and auxiliary equipment repair, and self owned equipment leasing in the field of electronic product technology. Projects that require approval according to law can only carry out business activities after being approved by relevant departments. Core products: Power Supply, Spectrum Analyzer, Wireless Connection Tester

TOP4
Beijing Weishi Tiancheng Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2010-07-13
Registered Capital2400K CNY

Beijing Weishi Tiancheng Technology Co., Ltd., with its registered address at A602, Building 8, No. 97 Changping Road, Shahe Town, Changping District, Beijing (Changping Demonstration Park), registered with the Market Supervision Administration of Changping District, Beijing. The legal representative is Dong Jinfang, and its business scope includes assembling switch power supplies; Technical development; Sell instruments and meters, wires and cables, electronic products, computer software and hardware, and peripheral equipment. (Enterprises shall independently choose their business projects and carry out business activities in accordance with the law; for projects that require approval by law, they shall carry out business activities in accordance with the approved content after obtaining approval from relevant departments; they shall not engage in business activities prohibited or restricted by the industrial policies of this city.). Core products: Power Supply, Domestic Portable Power Supply, Domestic Dc-Dc Converter

TOP5
Maillard Power System (Jiangsu) Co., Ltd
Overall Score4.6 / 5
Est. Date2021-01-25
Registered Capital10000K CNY

Meilede Power System (Jiangsu) Co., Ltd., registered at Room 1003-1-104, No. 76 Shishan Road, Suzhou High tech Zone, registered with the Suzhou High tech Zone (Huqiu District) Administrative Approval Bureau, with Chao Xiangge as the legal representative. Its business scope includes general projects such as research and development of high-efficiency energy-saving technologies in the power industry; Sales of power electronic components; Battery sales; Integrated circuit sales; Electronic product sales; Sales of electrical equipment; Retail of computer software, hardware, and auxiliary equipment; Sales of advanced power electronic devices (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: Power Supply, Torch Battery, Lead-Acid Battery

TOP6
Shanghai Chuxin Electric Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2016-05-23
Registered Capital1000K CNY

Shanghai Chuxin Electric Technology Co., Ltd., with its registered address at Room 2672, No. 2799 Fengzhe Road, Qingcun Town, Fengxian District, Shanghai, is registered with the Market Supervision Bureau of Fengxian District. The legal representative is Zhang Yan, and the business scope includes technology development, technical consulting, technical services, and technology transfer in the fields of electrical technology, electronic technology, and computer technology. The company also engages in wholesale and retail of power equipment, power equipment, mechanical equipment and accessories, electromechanical equipment and accessories, control equipment manufacturing and processing (limited to branch operations), wholesale and retail of high and low voltage distribution cabinets, instruments and meters, hardware products, and computer information system integration. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Power Supply, High Frequency Inverter Power Supply, Low Voltage High Current Dc Power Supply

TOP7
Shanghai Jinsheng Electrical Equipment Manufacturing Co., Ltd
Overall Score4.5 / 5
Est. Date2009-11-30
Registered Capital5000K CNY

Shanghai Jinsheng Electrical Equipment Manufacturing Co., Ltd., registered at No. 23 Hexi Street, Xiaokunshan Town, Songjiang District, Shanghai, with the registration authority of Songjiang District Market Supervision Bureau and the legal representative of Hu Jun. Its business scope includes the manufacturing, production, processing, and sales of complete electrical equipment, transformers, voltage regulators, and high and low voltage electrical appliances; Wholesale and retail of metal materials, electromechanical equipment, instruments and meters, hardware and electrical equipment, electronic products, lifting rigging, sanitary ware, wires and cables. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Power Supply, Photovoltaic Isolation Transformer, Dry Type Transformers For Mining, Tunnels, And Highways

TOP8
Shanghai Hongzhi Electric Group Co., Ltd
Overall Score4.5 / 5
Est. Date2012-02-24
Registered Capital87776.8K CNY

Shanghai Hongzhi Electric Group Co., Ltd., with its registered address at Building K16, No. 2, Lane 158, Gangye Road, Xiaokunshan Town, Songjiang District, Shanghai, is registered with the Songjiang District Market Supervision Administration and represented by Kuang Zhang. Its business scope includes general projects such as mechanical and electrical equipment manufacturing; Manufacturing of transformers, rectifiers, and inductors; Manufacturing of distribution switch control equipment; Manufacturing of electrical instruments and meters; Manufacturing of capacitors and their supporting equipment; Motor manufacturing; General equipment manufacturing (excluding special equipment manufacturing); Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); Manufacturing of pumps and vacuum equipment; Industrial robot manufacturing; Manufacturing of power facilities and equipment; Manufacturing of household appliances; Sales of household appliances; Sales of distribution switch control equipment; Sales of photovoltaic equipment and components; Sales of electrical instruments and meters; Sales of capacitors and their supporting equipment; Sales of metal fittings for construction; Sales of building materials; Sales of pumps and vacuum equipment; Sales of valves and plugs; Sales of building decoration materials; Wholesale of hardware products; Retail of hardware products; Sales of generators and generator sets; Sales of intelligent power transmission and distribution and control equipment; Sales of industrial robots; Sales of power facilities and equipment; Sales of electrical and mechanical equipment; Sales of micro motors and components. (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: Power Supply, Column Type Electric Voltage Regulator, Svc-Tns (D) High-Precision Voltage Regulator

TOP9
Shanghai Chengli Electrical Equipment Manufacturing Co., Ltd
Overall Score4.4 / 5
Est. Date1996-08-21
Registered Capital2000K CNY

Shanghai Chengli Electrical Equipment Manufacturing Co., Ltd., with its registered address at 679-37 Beimin Road, Chedun Town, Songjiang District, Shanghai, is registered with the Songjiang District Market Supervision Administration. The legal representative is Dai Dapeng, and its business scope includes general projects such as electronic transformers, processing of power supply and electrical components, and sales of self-produced products. (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: Power Supply, Oil Immersed Reactor, Reactor

TOP10
Shanghai Ruijin Power Technology Co., Ltd
Overall Score4.4 / 5
Est. Date2008-12-26
Registered Capital2000K CNY

Shanghai Ruijin Power Technology Co., Ltd. is registered at Building 1, No. 502 Fenghai Road, Zhelin Town, Fengxian District, Shanghai. The registration authority is the Fengxian District Market Supervision Administration, and the legal representative is Zhou Jie. Its business scope includes technology development, technical consulting, technical services, and technology transfer in the field of power technology, as well as manufacturing, processing, wholesale, and retail of power equipment. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Power Supply, Variable Frequency Power Supply, Dc Power Supply

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Shanghai Saiji Electronics Co., Ltd2011-03-15Power Supply5000K CNYNot Supported
Adat (Dongguan) Electronic Trading Co., Ltd2026-03-13Power Supply500K CNYNot Supported
Shanghai Xinerli Testing Equipment Co., Ltd2019-12-10Power Supply, Spectrum Analyzer, Wireless Connection Tester2000K CNYNot Supported
Beijing Weishi Tiancheng Technology Co., Ltd2010-07-13Power Supply, Domestic Portable Power Supply, Domestic Dc-Dc Converter2400K CNYNot Supported
Maillard Power System (Jiangsu) Co., Ltd2021-01-25Power Supply, Torch Battery, Lead-Acid Battery10000K CNYNot Supported
Shanghai Chuxin Electric Technology Co., Ltd2016-05-23Power Supply, High Frequency Inverter Power Supply, Low Voltage High Current Dc Power Supply1000K CNYNot Supported
Shanghai Jinsheng Electrical Equipment Manufacturing Co., Ltd2009-11-30Power Supply, Photovoltaic Isolation Transformer, Dry Type Transformers For Mining, Tunnels, And Highways5000K CNYNot Supported
Shanghai Hongzhi Electric Group Co., Ltd2012-02-24Power Supply, Column Type Electric Voltage Regulator, Svc-Tns (D) High-Precision Voltage Regulator87776.8K CNYNot Supported
Shanghai Chengli Electrical Equipment Manufacturing Co., Ltd1996-08-21Power Supply, Oil Immersed Reactor, Reactor2000K CNYSupported
Shanghai Ruijin Power Technology Co., Ltd2008-12-26Power Supply, Variable Frequency Power Supply, Dc Power Supply2000K CNYNot Supported

Purchasing Guide

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

  • For procurement requirements that require the use of power supplies, it is recommended to prioritize checking technical parameters such as input and output voltage range, power capacity, and efficiency to ensure compatibility with equipment load characteristics. Additional attention should be paid to environmental adaptability indicators such as dust and water resistance levels in industrial scenarios.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and companies with industry data support. For example, suppliers who provide power solutions for communication base stations or data centers for a long time usually have more stable performance verification records.
  • In precision scenarios such as medical equipment or laboratory instruments, the low noise and anti-interference ability of power supplies are key parameters. When purchasing, suppliers can be required to provide relevant test reports or practical application cases.
  • For different application scenarios such as new energy generation or electric vehicle charging stations, the heat dissipation design and life cycle of power supplies vary greatly. It is recommended to comprehensively evaluate the long-term reliability based on the industry performance of suppliers and platform statistical information.

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