Updated Sep 13, 2026 · Public platform & industry data

Sep 13, 2026 Updated

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2026 Top 10 Switching Power Supply Unit Manufacturers in China Fujian

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

The top 10 Switching Power Supply Unit manufacturers in Fujian for 2026 are: Xiamen Depin Electric Co., Ltd, Xiamen Mengkang Electric Co., Ltd, Xiamen Dinglong Electric Co., Ltd, Xiamen Yunuopin Electric Co., Ltd, Xiamen Ourong Electromechanical Technology Co., Ltd, Fuzhou Wanwei Electronic Technology Co., Ltd, Fujian Lumen Electromechanical Equipment Co., Ltd, Xiamen Yongyisheng Machinery Equipment Co., Ltd, Xiamen Chuangjin Electric Co., Ltd, Xiamen Keyutong 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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Top 1
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Xiamen Depin Electric Co., Ltd
Overall Score4.9 / 5
Est. Date2020-05-09
Registered Capital1000K CNY

Xiamen Depin Electric Co., Ltd., with its registered address at Room 315, No. 270 Fangyang North Road, Maxiang Street, Xiang'an District, Xiamen City, is registered with the Market Supervision Administration of Xiang'an District, Xiamen City. The legal representative is Yan Junlong, and its business scope includes general projects such as sales of electrical equipment; Manufacturing of electrical signal equipment devices; Electrical equipment repair; Sales of electrical signal equipment devices; Research and development of household appliances; Manufacturing of distribution switch control equipment; Sales of distribution switch control equipment; Research and development of distribution switch control equipment; Retail of hardware products; Sales of water quality pollutant monitoring and detection instruments and meters; Sales of specialized instruments and meters for agriculture, forestry, animal husbandry, and fishing; Sales of electrical instruments and meters; Sales of specialized instruments and meters for environmental monitoring; Sales of instruments and meters; Sales of intelligent instruments and meters; Manufacturing of electrical instruments and meters; Manufacturing of specialized instruments and meters for environmental monitoring; Sales of environmental emergency detection instruments and meters; Electronic product sales; Wholesale of electronic components; Retail of electronic components; Sales of capacitors and their supporting equipment; Manufacturing of capacitors and their supporting equipment; Sales of mechanical and electrical equipment; Manufacturing of mechanical and electrical equipment; Sales of household appliances; Sales of power electronic components; Home appliance installation services; Manufacturing of power electronic components; Sales of optoelectronic devices; Manufacturing of optoelectronic devices; Sales of electronic vacuum devices; Sales of electronic measuring instruments; Sales of integrated circuit chips and products; Sales of display devices; Sales of photovoltaic equipment and components; Sales of electronic components and electromechanical equipment; Sales of electronic specialized equipment; Sales of electronic specialized materials. (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 Unit, Shanghai People's Contactor, Autonex Encoder

Top 2
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Xiamen Mengkang Electric Co., Ltd
Overall Score4.7 / 5
Est. Date2025-04-28
Registered Capital1000K CNY

Xiamen Mengkang Electric Co., Ltd., with its registered address at Room 1103, No. 25, Xiangbei Erli, Maxiang Street, Xiang'an District, Xiamen City, is registered with the Market Supervision Administration of Xiang'an District, Xiamen City. The legal representative is Wang Enlin, and the business scope includes general projects: sales of electrical equipment; Manufacturing of electrical signal equipment devices; Electrical equipment repair; Sales of electrical signal equipment devices; Research and development of household appliances; Manufacturing of distribution switch control equipment; Sales of distribution switch control equipment; Research and development of distribution switch control equipment; Retail of hardware products; Wholesale of hardware products; Sales of water quality pollutant monitoring and detection instruments and meters; Sales of specialized instruments and meters for agriculture, forestry, animal husbandry, and fishing; Sales of electrical instruments and meters; Sales of specialized instruments and meters for environmental monitoring; Sales of intelligent instruments and meters; Manufacturing of electrical instruments and meters; Manufacturing of specialized instruments and meters for environmental monitoring; Sales of environmental emergency detection instruments and meters; Electronic product sales; Wholesale of electronic components; Sales of power electronic components; Retail of electronic components; Sales of capacitors and their supporting equipment; Manufacturing of capacitors and their supporting equipment; Sales of mechanical and electrical equipment; Manufacturing of mechanical and electrical equipment; Sales of household appliance spare parts; Sales of household appliances; Home appliance installation services; Manufacturing of power electronic components; Sales of optoelectronic devices; Manufacturing of optoelectronic devices; Sales of electronic vacuum devices; Sales of electronic measuring instruments; Sales of integrated circuit chips and products; Sales of display devices; Sales of photovoltaic equipment and components; Sales of electronic components and electromechanical equipment; Sales of electronic specialized equipment; Sales of electronic specialized materials. (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 Unit, Frequency Converter, Electromagnetic Valve Negative Pressure Switch

Top 3
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Xiamen Dinglong Electric Co., Ltd
Overall Score4.7 / 5
Est. Date2023-02-15
Registered Capital5000K CNY

Xiamen Dinglong Electric Co., Ltd., with its registered address at Room 405, No. 270 Fangyang North Road, Maxiang Street, Xiang'an District, Xiamen City, is registered with the Market Supervision Administration of Xiang'an District, Xiamen City. The legal representative is Tong Rongmei, and the business scope includes general projects: sales of electrical equipment; Manufacturing of electrical signal equipment devices; Electrical equipment repair; Sales of electrical signal equipment devices; Research and development of household appliances; Manufacturing of distribution switch control equipment; Sales of distribution switch control equipment; Research and development of distribution switch control equipment; Retail of hardware products; Sales of water quality pollutant monitoring and detection instruments and meters; Sales of specialized instruments and meters for agriculture, forestry, animal husbandry, and fishing; Sales of electrical instruments and meters; Sales of specialized instruments and meters for environmental monitoring; Sales of instruments and meters; Sales of intelligent instruments and meters; Manufacturing of electrical instruments and meters; Manufacturing of specialized instruments and meters for environmental monitoring; Sales of environmental emergency detection instruments and meters; Electronic product sales; Wholesale of electronic components; Retail of electronic components; Sales of capacitors and their supporting equipment; Manufacturing of capacitors and their supporting equipment; Sales of mechanical and electrical equipment; Manufacturing of mechanical and electrical equipment; Sales of household appliances; Sales of power electronic components; Home appliance installation services; Manufacturing of power electronic components; Sales of optoelectronic devices; Manufacturing of optoelectronic devices; Sales of electronic vacuum devices; Sales of electronic measuring instruments; Sales of integrated circuit chips and products; Sales of display devices; Sales of photovoltaic equipment and components; Sales of electronic components and electromechanical equipment; Sales of electronic specialized equipment; Sales of electronic specialized materials. (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 Unit, Siemens Module, Shanghai People's Thermal Overload Relay

TOP4
Xiamen Yunuopin Electric Co., Ltd
Overall Score4.6 / 5
Est. Date2021-12-17
Registered Capital5000K CNY

Xiamen Yunuopin Electric Co., Ltd., registered at Room 402, No. 17-7 Houxu Xincuoli, Maxiang Street, Xiang'an District, Xiamen City, with the registration authority of the Market Supervision and Administration Bureau of Xiang'an District, Xiamen City, and the legal representative being Zhan Changming. Its business scope includes general projects: sales of electrical equipment; Manufacturing of electrical signal equipment devices; Electrical equipment repair; Sales of electrical signal equipment devices; Research and development of household appliances; Manufacturing of distribution switch control equipment; Sales of distribution switch control equipment; Research and development of distribution switch control equipment; Retail of hardware products; Sales of water quality pollutant monitoring and detection instruments and meters; Sales of specialized instruments and meters for agriculture, forestry, animal husbandry, and fishing; Sales of electrical instruments and meters; Sales of specialized instruments and meters for environmental monitoring; Sales of instruments and meters; Sales of intelligent instruments and meters; Manufacturing of electrical instruments and meters; Manufacturing of specialized instruments and meters for environmental monitoring; Sales of environmental emergency detection instruments and meters; Electronic product sales; Wholesale of electronic components; Retail of electronic components; Sales of capacitors and their supporting equipment; Manufacturing of capacitors and their supporting equipment; Sales of mechanical and electrical equipment; Manufacturing of mechanical and electrical equipment; Sales of household appliances; Sales of power electronic components; Home appliance installation services; Manufacturing of power electronic components; Sales of optoelectronic devices; Manufacturing of optoelectronic devices; Sales of electronic vacuum devices; Sales of electronic measuring instruments; Sales of integrated circuit chips and products; Sales of display devices; Sales of photovoltaic equipment and components; Sales of electronic components and electromechanical equipment; Sales of electronic specialized equipment; Sales of electronic specialized materials. (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 Unit, Tianzheng Thermal Overload Relay, Xiaojinjing Cylinder

TOP5
Xiamen Ourong Electromechanical Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2022-03-11
Registered Capital10000K CNY

Xiamen Ourong Electromechanical Technology Co., Ltd., with its registered address at Room 602-2, No. 593 Yuanshan South Road, Huli District, Xiamen City, is registered with the Market Supervision Administration of Huli District, Xiamen City. The legal representative is Wang Jiangnan, and the business scope includes general projects: wholesale of hardware products; Retail of hardware products; Wholesale of electronic components; Sales of electrical equipment; Sales of electrical instruments and meters; Sales of lighting fixtures; Sales of mechanical equipment; Sales of household appliance spare parts; Wholesale of kitchenware, sanitary ware, and daily necessities; Retail of computer software, hardware, and auxiliary equipment; Sales of building materials; Wholesale of computer software, hardware, and auxiliary equipment; Sales of instruments and meters; Integrated circuit design; Software development; Professional design services; Information system integration services; Information consulting services (excluding licensed information consulting 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: Switching Power Supply Unit, Imported Oil Pump, Pilz

TOP6
Fuzhou Wanwei Electronic Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2013-12-10
Registered Capital500K CNY

Fuzhou Wanwei Electronic Technology Co., Ltd. is registered at Room 08, 6th Floor, Xinya Building, No. 121 Dongjie Street, Gulou District, Fuzhou City, Fujian Province. The registration authority is the Market Supervision and Administration Bureau of Gulou District, Fuzhou City, and the legal representative is Wang Yonghong. The business scope includes technology development, technical consulting, technology transfer, technical services, wholesale, and agency sales of electronic products, automation equipment, instruments, and computer software and hardware. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Switching Power Supply Unit, Dc Power Supply, Explosion Proof Display Screen

TOP7
Fujian Lumen Electromechanical Equipment Co., Ltd
Overall Score4.5 / 5
Est. Date2022-10-24
Registered Capital10000K CNY

Fujian Lumen Electromechanical Equipment Co., Ltd., with its registered address at Room 1603, No. 516, Canghu East Yili, Haicang District, Xiamen City, is registered with the Market Supervision Administration of Haicang District, Xiamen City. The legal representative is Huang Jianguo, and the business scope includes general projects: sales of power electronic components; Engineering and technical research and experimental development; Mechanical parts and component processing; Retail of electronic components; Sales of building materials; Sales of metal structures; Sales of plastic products; Sales of pumps and vacuum equipment; Sales of mechanical equipment; Sales of electrical equipment; Sales of firefighting equipment; Sales of rubber products; Electronic product sales; Sales of instruments and meters; Sales of construction machinery; Sales of labor protection equipment; Sales of steel reinforcement products for construction; Operation of wires and cables; Domestic trade agency; Sales of office supplies; Retail of computer software, hardware, and auxiliary equipment; Furniture sales; Wholesale of hardware products; Sales of needle textiles and raw materials; Clothing and apparel retail; Retail of shoes and hats; Luggage sales; Sales of security equipment; Sales of arts and crafts and ceremonial supplies (excluding ivory and its products); Retail of automotive spare parts; Sales of household appliances; Sales of communication equipment; Sales of mechanical and electrical equipment; Sales of office equipment and consumables; Sales of office equipment; Retail of sports goods and equipment; Sales of sanitary ware; Sales of packaging materials and products; Repair of daily electrical appliances; Sales of bearings, gears, and transmission components; Sales of gears, gear reducers, and gearboxes; Sales of drawing, calculation, and measuring instruments; Sales of integrated circuit chips and products; Wholesale of electronic components; Sales of intelligent instruments and meters; Sales of industrial automatic control system devices; Sales of hydraulic power machinery and components; Sales of specialized equipment, key systems, and components for rail transit; Sales of generators and generator sets; Sales of high-speed precision heavy-duty bearings; Bearing sales; Sales of pneumatic power machinery and components; Sales of specialized chemical products (excluding hazardous chemicals); Sales of chemical products (excluding licensed chemical products); Sales of drug testing instruments; Technology promotion services; Sales of synthetic materials; Sales of non edible salt; Wholesale of kitchenware, sanitary ware, and daily necessities; Sales of daily chemical products; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Technology promotion and application services; Retail of protective equipment for medical staff; Wholesale of protective equipment for medical staff; Sales of hygiene products and disposable medical supplies; Sales of electronic specialized equipment; Sales of valves and plugs; Valve and plug research and development; Manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); Manufacturing of metal materials; Sales of metal materials; Rolling and processing of non-ferrous metals; Research and development of new material technology; Instrument and meter repair; Import and export of goods; Technology import and export; Sales of electrical equipment; Electrical equipment repair. (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 Unit, Sensor, Frequency Converter

TOP8
Xiamen Yongyisheng Machinery Equipment Co., Ltd
Overall Score4.5 / 5
Est. Date2021-12-29
Registered Capital5000K CNY

Xiamen Yongyisheng Machinery Equipment Co., Ltd., with its registered address at Room 1001, No. 31 Binhu Yili, Haicang District, Xiamen City, is registered with the Market Supervision Administration of Haicang District, Xiamen City. The legal representative is Huang Wenming, and the business scope includes general projects: sales of mechanical equipment; Sales of mechanical and electrical equipment; Wholesale of hardware products; Retail of hardware products; Sales of electrical equipment; Sales of mechanical parts and components; Sales of power facilities and equipment; Operation of wires and cables; Sales of rubber products; Sales of household items; Sales of metal materials; Sales of packaging materials and products; Sales of labor protection equipment; Sales of electrical instruments and meters; Sales of electrical equipment; Sales of daily necessities; Sales of daily miscellaneous goods; Sales of daily masks (non-medical); Sales of metal tools; Sales of metal products; Sales of engineering plastics and synthetic resins; Sales of synthetic materials; Sales of specialized chemical products (excluding hazardous chemicals); Sales of daily chemical products; Sales of chemical products (excluding licensed chemical products); Integrated circuit design; Integrated circuit sales; Sales of integrated circuit chips and products; Electronic product sales; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Import and export of goods; Technology import and export; Non residential real estate leasing. (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 Unit, High Precision Moisture Meter, Solenoid Valve

TOP9
Xiamen Chuangjin Electric Co., Ltd
Overall Score4.4 / 5
Est. Date2025-04-27
Registered Capital1000K CNY

Xiamen Chuangjin Electric Co., Ltd., with its registered address at Room 1103, No. 25, Xiangbei Erli, Maxiang Street, Xiang'an District, Xiamen City, is registered with the Market Supervision Administration of Xiang'an District, Xiamen City. The legal representative is Liu Zebin, and the business scope includes general projects: sales of electrical equipment; Manufacturing of electrical signal equipment devices; Electrical equipment repair; Sales of electrical signal equipment devices; Research and development of household appliances; Manufacturing of distribution switch control equipment; Sales of distribution switch control equipment; Research and development of distribution switch control equipment; Retail of hardware products; Wholesale of hardware products; Sales of water quality pollutant monitoring and detection instruments and meters; Sales of specialized instruments and meters for agriculture, forestry, animal husbandry, and fishing; Sales of electrical instruments and meters; Sales of specialized instruments and meters for environmental monitoring; Sales of intelligent instruments and meters; Manufacturing of electrical instruments and meters; Manufacturing of specialized instruments and meters for environmental monitoring; Sales of environmental emergency detection instruments and meters; Electronic product sales; Wholesale of electronic components; Sales of power electronic components; Retail of electronic components; Sales of capacitors and their supporting equipment; Manufacturing of capacitors and their supporting equipment; Sales of mechanical and electrical equipment; Manufacturing of mechanical and electrical equipment; Sales of household appliance spare parts; Sales of household appliances; Home appliance installation services; Manufacturing of power electronic components; Sales of optoelectronic devices; Manufacturing of optoelectronic devices; Sales of electronic vacuum devices; Sales of electronic measuring instruments; Sales of integrated circuit chips and products; Sales of display devices; Sales of photovoltaic equipment and components; Sales of electronic components and electromechanical equipment; Sales of electronic specialized equipment; Sales of electronic specialized materials. (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 Unit, Baruff Proximity Switch, Hydraulic Solenoid Valve

TOP10
Xiamen Keyutong Technology Co., Ltd
Overall Score4.4 / 5
Est. Date2018-08-02
Registered Capital1000K CNY

Xiamen Keyutong Technology Co., Ltd., with its registered address at Room 1202, No. 152 Yaojiangli, Tong'an District, Xiamen City, registered with the Market Supervision Administration of Tong'an District, Xiamen City. The legal representative is Ye Qiong, and its business scope includes general projects such as engineering and technical research and experimental development; Sales of hydraulic power machinery and components; Sales of valves and plugs; Sales of pumps and vacuum equipment; Sales of industrial automatic control system devices; Sales of capacitors and their supporting equipment; Sales of distribution switch control equipment; Sales of industrial robots; Sales of steam turbines and auxiliary equipment; Sales of industrial control computers and systems; Sales of micro motors and components; Sales of mechanical parts and components; Sales of mechanical and electrical equipment; Sales of electrical equipment; Sales of electrical equipment; Retail of electronic components; Sales of construction machinery; Sales of electronic components and electromechanical equipment; Sales of instruments and meters; Sales of mechanical equipment; Sales of communication equipment; Electronic product sales; Wholesale of hardware products; Retail of hardware products; Operation of wires and cables; Sales of building decoration materials; Sales of building materials; Sales of metal products; Retail of automotive spare parts; Retail of motorcycles and spare parts; Retail of computer software, hardware, and auxiliary equipment; Sales of household appliances; Clothing and apparel retail; Retail of shoes and hats; Sales of chemical products (excluding licensed chemical products); Import and export of goods; Technology import and export; Domestic trade agency; Internet sales (except for sales of goods that require a license). (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 Unit, Proximity Switch, Output Unit

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Xiamen Depin Electric Co., Ltd2020-05-09Switching Power Supply Unit, Shanghai People's Contactor, Autonex Encoder1000K CNYNot Supported
Xiamen Mengkang Electric Co., Ltd2025-04-28Switching Power Supply Unit, Frequency Converter, Electromagnetic Valve Negative Pressure Switch1000K CNYNot Supported
Xiamen Dinglong Electric Co., Ltd2023-02-15Switching Power Supply Unit, Siemens Module, Shanghai People's Thermal Overload Relay5000K CNYNot Supported
Xiamen Yunuopin Electric Co., Ltd2021-12-17Switching Power Supply Unit, Tianzheng Thermal Overload Relay, Xiaojinjing Cylinder5000K CNYNot Supported
Xiamen Ourong Electromechanical Technology Co., Ltd2022-03-11Switching Power Supply Unit, Imported Oil Pump, Pilz10000K CNYNot Supported
Fuzhou Wanwei Electronic Technology Co., Ltd2013-12-10Switching Power Supply Unit, Dc Power Supply, Explosion Proof Display Screen500K CNYNot Supported
Fujian Lumen Electromechanical Equipment Co., Ltd2022-10-24Switching Power Supply Unit, Sensor, Frequency Converter10000K CNYSupported
Xiamen Yongyisheng Machinery Equipment Co., Ltd2021-12-29Switching Power Supply Unit, High Precision Moisture Meter, Solenoid Valve5000K CNYNot Supported
Xiamen Chuangjin Electric Co., Ltd2025-04-27Switching Power Supply Unit, Baruff Proximity Switch, Hydraulic Solenoid Valve1000K CNYNot Supported
Xiamen Keyutong Technology Co., Ltd2018-08-02Switching Power Supply Unit, Proximity Switch, Output Unit 1000K CNYNot Supported

Purchasing Guide

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

  • For procurement needs that require the use of switch mode power supplies, it is recommended to prioritize checking key technical parameters such as input and output voltage range, power capacity, and efficiency to ensure they match the equipment load requirements. Industrial automation scenarios typically require consideration of wide temperature operating characteristics, while communication equipment focuses on low ripple noise indicators.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and companies with industry data support. These suppliers are more reliable in terms of power stability and long-term supply capacity.
  • Switching power supplies with low electromagnetic interference characteristics should be selected for medical equipment or laboratory instruments, and it is recommended to verify whether the supplier has successful cases of similar scenarios.
  • When purchasing switch mode power supplies, it is usually necessary to pay attention to modular design options for later maintenance or expansion, such as pluggable fans or redundant functions that are critical in data center applications.

Knowledge Base

Q

Choosing a switch power supply supplier requires comprehensive consideration of technical strength, quality system, product performance, service capabilities, and industry experience. In terms of technology, it should have independent research and development capabilities and perfect testing methods; The quality system needs to be internationally certified and have strict control processes; The product performance needs to meet key parameters such as input and output, efficiency, and stability; Technical support and rapid response capabilities are required in terms of service; Industry experience can help adapt to specific application scenarios.

Q

This article will delve into the relationship between power supplies and switch mode power supplies, analyze their similarities and differences, and help readers better understand the working principles and application scenarios of these two power supply devices.

Q

This article will introduce the definitions and differences between power supplies and rail mounted switching power supplies, and answer whether power supplies are rail mounted switching power supplies.

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