Updated Sep 10, 2026 · Public platform & industry data

Sep 10, 2026 Updated

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2026 Top 10 Dc Power Supply Device Manufacturers in China Shandong

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

The top 10 Dc Power Supply Device manufacturers in Shandong for 2026 are: Middling coal Industry and Mining Materials Group Co., Ltd, Shenzhen Ritu Technology Co., Ltd, Shanghai Xinerli Testing Equipment Co., Ltd, Shandong Zhonggong Electric Co., Ltd, Jinan Nenghua Electromechanical Equipment Co., Ltd, Shandong Xinchi Energy Technology Co., Ltd, Shandong Xinchi Energy Technology Co., Ltd, Jinan Chengya Electronic Technology Co., Ltd, Shandong Heyun Electric Co., Ltd, Shandong Tengfei Power Supply 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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ShandongShandong
Top 1
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Middling coal Industry and Mining Materials Group Co., Ltd
Overall Score4.9 / 5
Est. Date2001-04-23
Registered Capital100000K CNY

Middling coal Industry and Mining Materials Group Co., Ltd., with its registered address at No. 11, North Kaiyuan Road, High tech Zone, Jining City, is registered by the Market Supervision and Administration Bureau of Jining High tech Industrial Development Zone, and its legal representative is Qu Qing. Its business scope includes general projects: special equipment manufacturing (excluding licensed professional equipment manufacturing); Sales of mechanical equipment; Mining machinery manufacturing; Sales of mining machinery; Mechanical parts and component processing; Sales of mechanical parts and components; Manufacturing of mechanical and electrical equipment; Sales of electrical and mechanical equipment; Research and development of intelligent robots; Sales of intelligent robots; Manufacturing of intelligent unmanned aerial vehicles; Sales of intelligent unmanned aerial vehicles; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Manufacturing of distribution switch control equipment; Sales of distribution switch control equipment; Manufacturing of instruments and meters; Sales of instruments and meters; Manufacturing of electronic vacuum devices; Sales of electronic vacuum devices; Manufacturing of electronic components; Retail of electronic components; Manufacturing of high-speed rail equipment and accessories; Sales of high-speed rail equipment and accessories; Sales of railway transportation infrastructure equipment; Electronic product sales; Sales of chemical products (excluding licensed chemical products); Sales of lubricating oil; Sales of household appliances; Sales of metal products; Manufacturing of non-metallic mineral products; Sales of mobile communication devices; Sales of IoT devices; Wholesale of hardware products; Retail of hardware products; Sales of labor protection equipment; Sales of building materials; Sales of metal materials; Sales of agricultural and sideline products; Research and development of emerging energy technologies; Specialized equipment repair; Mechanical equipment leasing; Software development; Software sales; Information system integration services; Intelligent control system integration; Domestic cargo transportation agency (except for projects that need to be approved according to law, independently carry out business activities according to law with the business license): Internet information service; Import and export of goods; Technology import and export; Manufacturing of railway transportation infrastructure equipment; Road freight transportation (excluding dangerous goods) (for projects that require approval by law, business activities can only be carried out after approval by relevant departments, and specific business projects are subject to the approval results). Core products: Dc Power Supply Device, Large-Scale Equipment, Spraying Equipment

Top 2
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Shenzhen Ritu Technology Co., Ltd
Overall Score4.8 / 5
Est. Date2004-09-01
Registered Capital15000K CNY

Shenzhen Ritu Technology Co., Ltd., with its registered address located on the east side of Building 6, Phase II, Nanshan Yungu Innovation Industrial Park, Taoyuan Street, Nanshan District, Shenzhen. The registration authority is the Shenzhen Market Supervision Administration, and the legal representative is Zheng Ke. The company's business scope includes general business projects such as technology development, purchase and sale, after-sales technical maintenance, and on-site repair of electronic products, communication equipment, instruments and meters, computer software and hardware, network products, and monitoring equipment; Engage in import and export business; Invest in the establishment of industries (specific projects to be declared separately); Enterprise marketing planning; Information consultation (excluding talent agency services and other restricted projects); Software development and system integration; Leasing and sales of instruments, meters, and mechanical equipment. Except for projects prohibited by laws, administrative regulations, and decisions of the State Council, restricted projects must obtain a license before operation. Licensed operating projects: none.. Core products: Dc Power Supply Device, Clamp Meter, Tech

Top 3
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Shanghai Xinerli Testing Equipment Co., Ltd
Overall Score4.8 / 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: Dc Power Supply Device, Spectrum Analyzer, Wireless Connection Tester

TOP4
Shandong Zhonggong Electric Co., Ltd
Overall Score4.7 / 5
Est. Date2020-03-23
Registered Capital10000K CNY

Shandong Zhonggong Electric Co., Ltd., with its registered address at 7-1-2210 Dinghao Plaza, No. 44 Gongye South Road, Jinan Area, China (Shandong) Pilot Free Trade Zone, is registered with the Market Supervision Bureau of Jinan High tech Industrial Development Zone Management Committee, and its legal representative is Gao Junyue. Its business scope includes general projects such as mechanical and electrical equipment manufacturing; Sales of electrical equipment; Manufacturing of instruments and meters; Sales of instruments and meters; Manufacturing of electronic (gas) physical equipment and other electronic devices; Research and development of efficient and energy-saving technologies in the power industry; Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Battery manufacturing; Battery sales; Energy saving management services; Software sales; Software development; 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: Dc Power Supply Device, , Dc Power Supply

TOP5
Jinan Nenghua Electromechanical Equipment Co., Ltd
Overall Score4.7 / 5
Est. Date2011-10-31
Registered Capital21000K CNY

Jinan Nenghua Electromechanical Equipment Co., Ltd., with its registered address at 1-1506-1, Building 1, United Fortune Plaza, Shunhua Road West, High tech Zone, Jinan City, Shandong Province, is registered with the Market Supervision Bureau of Jinan High tech Industrial Development Zone Management Committee. The legal representative is Li Jihua, and its business scope includes the manufacturing, sales, and technological development of mechanical equipment, electrical equipment, electronic equipment, and fire equipment; Development and sales of computer software, hardware, auxiliary equipment, and automation equipment; Development of computer network technology; Wholesale and retail of instruments, air conditioning equipment, hardware products, electronic products, power equipment, and industrial automation control equipment; Installation of mechanical and electrical equipment; Technical consultation for electronic products. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Dc Power Supply Device, Inverter Power Supply, Military Power Supply

TOP6
Shandong Xinchi Energy Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2010-08-26
Registered Capital22000K CNY

Shandong Xinchi Energy Technology Co., Ltd., with its registered address at 1-101, Building 7, Yuepu Technology Jinan Science and Technology Innovation Center, Kejia Road, Suncun Street, High tech Zone, Jinan City, Shandong Province, is registered with the Market Supervision Bureau of Jinan High tech Industrial Development Zone Management Committee. The legal representative is Liu Baolei, and the business scope includes general projects such as transformer, rectifier, and inductor manufacturing; Research and development of distribution switch control equipment; Sales of power electronic components; Wholesale of computer software, hardware, and auxiliary equipment; Wholesale of electronic components; Manufacturing of electronic components; Sales of intelligent power transmission and distribution and control equipment; Manufacturing of power facilities and equipment; Manufacturing of mechanical and electrical equipment; Manufacturing of distribution switch control equipment; Manufacturing of power electronic components; Sales of advanced power electronic devices; Sales of mechanical and electrical equipment; Sales of electrical instruments and meters; Sales of distribution switch control equipment; Manufacturing of power transmission, distribution and control equipment; Software sales; Software development; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Wholesale of hardware products; Sales of plastic products; Labor services (excluding labor dispatch); Contract energy management; Manufacturing of communication equipment; Integrated circuit sales; Sales of integrated circuit chips and products; Electronic product sales; Import and export of goods. (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: Dc Power Supply Device, Dc Regulated Power Supply, Dc Power Supply

TOP7
Shandong Xinchi Energy Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2010-08-26
Registered Capital22000K CNY

Shandong Xinchi Energy Technology Co., Ltd., with its registered address at 1-101, Building 7, Yuepu Technology Jinan Science and Technology Innovation Center, Kejia Road, Suncun Street, High tech Zone, Jinan City, Shandong Province, is registered with the Market Supervision Bureau of Jinan High tech Industrial Development Zone Management Committee. The legal representative is Liu Baolei, and the business scope includes general projects such as transformer, rectifier, and inductor manufacturing; Research and development of distribution switch control equipment; Sales of power electronic components; Wholesale of computer software, hardware, and auxiliary equipment; Wholesale of electronic components; Manufacturing of electronic components; Sales of intelligent power transmission and distribution and control equipment; Manufacturing of power facilities and equipment; Manufacturing of mechanical and electrical equipment; Manufacturing of distribution switch control equipment; Manufacturing of power electronic components; Sales of advanced power electronic devices; Sales of mechanical and electrical equipment; Sales of electrical instruments and meters; Sales of distribution switch control equipment; Manufacturing of power transmission, distribution and control equipment; Software sales; Software development; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Wholesale of hardware products; Sales of plastic products; Labor services (excluding labor dispatch); Contract energy management; Manufacturing of communication equipment; Integrated circuit sales; Sales of integrated circuit chips and products; Electronic product sales; Import and export of goods. (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: Dc Power Supply Device, Dc Regulated Power Supply, Dc Adjustable Power Supply

TOP8
Jinan Chengya Electronic Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2015-04-02
Registered Capital5010K CNY

Jinan Chengya Electronic Technology Co., Ltd., with its registered address located north of Donghe Chemical Plant on Jiefang East Road in Lixia District, Jinan City, Shandong Province, is registered with the Market Supervision and Administration Bureau of Lixia District, Jinan City. The legal representative is Wang Jianrui, and its business scope includes wholesale and retail of electronic products and components, instruments and meters, computer software and hardware and accessories, power equipment, solar equipment, mechanical equipment, non specialized communication equipment, hardware products, metal materials, and photovoltaic power generation equipment; Computer Network Systems Engineering; Building intelligence engineering; Computer system integration and comprehensive cabling; Computer software and hardware technology development, technical services, and technical consulting; The technical development, production, and assembly of voltage stabilized power supplies, current stabilized power supplies, and uninterruptible power supplies; Leasing of environmental protection equipment; Import and export business. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Dc Power Supply Device, Shore Power Supply, Sine Wave Inverter Power Supply

TOP9
Shandong Heyun Electric Co., Ltd
Overall Score4.4 / 5
Est. Date2021-09-06
Registered Capital3250K CNY

Shandong Heyun Electric Co., Ltd., with its registered address at Unit 301, Building 9, No. 488 Beiyuan Street, Beiyuan Street, Tianqiao District, Jinan City, Shandong Province, is registered with the Market Supervision Administration of Tianqiao District, Jinan City. The legal representative is Wang Chao, and the business scope includes general projects such as sales of electrical equipment; Research and development of distribution switch control equipment; Sales of industrial automatic control system devices; Sales of electrical signal equipment devices; Sales of photovoltaic equipment and components; Sales of intelligent power transmission and distribution and control equipment; Sales of power electronic components; Manufacturing of transformers, rectifiers, and inductors [branch operations]; Sales of wind turbines and their components; Information system integration services; Sales of security equipment; Sales of communication equipment; Sales of power facilities and equipment; Sales of mechanical equipment; Electrical equipment repair; Wholesale of electronic components; Battery sales; Retail of computer software, hardware, and auxiliary equipment; Wholesale of hardware products; Information technology consulting services; Operation of wires and cables; Sales of mechanical and electrical equipment; Sales of electrical instruments and meters; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of electrical accessories; Retail of hardware products; Manufacturing of mechanical and electrical equipment [branch operation]; Sales of distribution switch control equipment; Sales of seals; Sales of firefighting equipment; Sales of intelligent instruments and meters; Battery leasing; Software sales; Sales of information security equipment; Contract energy management; Sales of refrigeration and air conditioning equipment; General equipment repair; Installation services for ordinary mechanical equipment; External contracting projects; Construction of earthwork engineering; Manufacturing of power electronic components [branch operation]; Manufacturing of optical communication equipment [branch operation]; Manufacturing of industrial automatic control system equipment [branch operation]; Manufacturing of electrical signal equipment devices [branch operation]; Manufacturing of capacitors and their supporting equipment [branch operation]; Manufacturing of power transmission, distribution and control equipment [branch operation]; Manufacturing of electronic components and electromechanical equipment [branch operation]; Manufacturing of power facilities and equipment [branch operation]; Manufacturing of distribution switch control equipment [branch operation]; Personal business services. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license) Licensed projects: installation, maintenance, and testing of power transmission, power supply, and power receiving facilities; Installation of civil nuclear safety equipment; Electrical installation services; Construction project construction; Construction labor subcontracting; Import and export of goods. (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: Dc Power Supply Device, Variable Frequency Power Supply, Inverter

TOP10
Shandong Tengfei Power Supply Co., Ltd
Overall Score4.4 / 5
Est. Date2021-12-08
Registered Capital5000K CNY

Shandong Tengfei Power Supply Co., Ltd., registered at Room 406, 4th Floor, Building 4, China Computing Valley Future Intelligent Manufacturing Center, Liandong U Valley, 600 meters east of the intersection of Chunxiu Road and Kejia Road, Suncun Street, High tech Zone, Jinan City, Shandong Province. The registration authority is the Market Supervision Bureau of Jinan High tech Industrial Development Zone Management Committee, and the legal representative is Gong Shourong. The business scope includes general projects: sales of electronic components and electromechanical component equipment; Manufacturing of power facilities and equipment; Sales of power electronic components; Sales of mechanical and electrical equipment; Retail of electronic components; Maintenance of electronic and mechanical equipment (excluding special equipment); Integrated circuit manufacturing; Sales of electrical instruments and meters (except for projects that require approval according to law, business activities can be carried out independently based on the business license) License projects: (For projects that require approval according to law, business activities can only be carried out after approval by relevant departments, and specific business projects are subject to the approval results). Core products: Dc Power Supply Device, Power Grid Simulator, Variable Frequency Power Supply

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Middling coal Industry and Mining Materials Group Co., Ltd2001-04-23Dc Power Supply Device, Large-Scale Equipment, Spraying Equipment100000K CNYNot Supported
Shenzhen Ritu Technology Co., Ltd2004-09-01Dc Power Supply Device, Clamp Meter, Tech15000K CNYNot Supported
Shanghai Xinerli Testing Equipment Co., Ltd2019-12-10Dc Power Supply Device, Spectrum Analyzer, Wireless Connection Tester2000K CNYNot Supported
Shandong Zhonggong Electric Co., Ltd2020-03-23Dc Power Supply Device, , Dc Power Supply10000K CNYNot Supported
Jinan Nenghua Electromechanical Equipment Co., Ltd2011-10-31Dc Power Supply Device, Inverter Power Supply, Military Power Supply21000K CNYNot Supported
Shandong Xinchi Energy Technology Co., Ltd2010-08-26Dc Power Supply Device, Dc Regulated Power Supply, Dc Power Supply22000K CNYNot Supported
Shandong Xinchi Energy Technology Co., Ltd2010-08-26Dc Power Supply Device, Dc Regulated Power Supply, Dc Adjustable Power Supply22000K CNYNot Supported
Jinan Chengya Electronic Technology Co., Ltd2015-04-02Dc Power Supply Device, Shore Power Supply, Sine Wave Inverter Power Supply5010K CNYNot Supported
Shandong Heyun Electric Co., Ltd2021-09-06Dc Power Supply Device, Variable Frequency Power Supply, Inverter3250K CNYNot Supported
Shandong Tengfei Power Supply Co., Ltd2021-12-08Dc Power Supply Device, Power Grid Simulator, Variable Frequency Power Supply5000K CNYNot Supported

Purchasing Guide

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

  • When selecting a DC power supply, it is recommended to prioritize checking key parameters such as output voltage range, current accuracy, and ripple factor to ensure that they match the load requirements of the testing equipment or industrial production line.
  • For high-precision laboratories or automated production lines, attention should be paid to the stability and anti-interference ability of the power supply. Different applications have varying requirements for transient response and temperature coefficient.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and enterprises with industry data support or platform statistical information.
  • If used in long-term operating environments such as communication base stations or medical equipment, it is recommended to choose models with excellent heat dissipation design and overload protection to reduce the risk of failure.

Knowledge Base

Q

This article introduces the basic principles, common types, and application scenarios of DC power supply, helping readers understand its working principle and practical use, suitable for electronic enthusiasts and engineering technicians to read.

Q

This article introduces the basic principles, common types, and application scenarios of DC power supply, helping readers understand its working principle and practical use, suitable for electronic enthusiasts and engineering technicians to read.

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