Updated May 30, 2026 · Public platform & industry data

May 30, 2026 Updated

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2026 Top 10 Stable Voltage And Current Power Supply Manufacturers in China Shandong

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

The top 10 Stable Voltage And Current Power Supply manufacturers in Shandong for 2026 are: Shandong Heyun Electric Co., Ltd, Shandong Dongda Electromechanical Co., Ltd, Hebei Tongke Electrical Appliance Manufacturing Co., Ltd, Shandong Kuang'an Heavy Industry Co., Ltd, Shandong Yuanchuang Instrument Co., Ltd, Jinan Zhonggong Boao Energy Technology Co., Ltd, Shandong Sailite Automation Equipment Co., Ltd, Shandong Xinchi Energy Technology Co., Ltd, Shandong Zhonggong Electric Co., Ltd, Shandong Zhonggong Electric 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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Shandong Heyun Electric Co., Ltd
Overall Score4.9 / 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: Stable Voltage And Current Power Supply, Variable Frequency Power Supply, Inverter Power Supply

Top 2
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Shandong Dongda Electromechanical Co., Ltd
Overall Score4.8 / 5
Est. Date2008-04-25
Registered Capital56890K CNY

Shandong Dongda Electromechanical Co., Ltd. is registered at Shanbo Road South and Zhixue Road West, Jizou Science and Technology Park, High tech Zone, Jining City, Shandong Province. The registration authority is the Market Supervision Administration of Jining High tech Industrial Development Zone, and the legal representative is Sun Hua. The business scope includes licensed projects: electrical installation services. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments. Specific business projects shall be subject to the approval documents or licenses issued by relevant departments.) General project: Mining machinery manufacturing; General equipment manufacturing (excluding special equipment manufacturing); Manufacturing of general components; Manufacturing of mechanical and electrical equipment; Manufacturing of electronic components; Manufacturing of distribution switch control equipment; Manufacturing of other electronic devices; Research and development of electronic specialized materials; Mechanical equipment research and development; Research and development of distribution switch control equipment; Information consulting services (excluding licensed information consulting services); Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Retail of electronic components; Sales of mining machinery; Sales of mechanical and electrical equipment; Sales of mechanical parts and components; Sales of special equipment; Sales of electronic components and electromechanical equipment; Sales of power electronic components; Sales of electronic specialized equipment; Electronic product sales; Sales of distribution switch control equipment; Integrated circuit sales; Sales of metal structures; Sales of rubber products; Operation of wires and cables; Sales of lubricating oil; Maintenance of electronic and mechanical equipment (excluding special equipment); Electrical equipment repair; Specialized equipment repair; General equipment repair; Installation services for ordinary mechanical equipment; Technology import and export; Import and export of goods; 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: Stable Voltage And Current Power Supply, Transmitter, Speed Reducer

Top 3
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Hebei Tongke Electrical Appliance Manufacturing Co., Ltd
Overall Score4.8 / 5
Est. Date2005-01-27
Registered Capital12000K CNY

Hebei Tongke Electrical Appliance Manufacturing Co., Ltd., registered in Zhangmatou Village, Xinxing Town, Qingxian County, Cangzhou City, Hebei Province, with the registration authority of Qingxian Market Supervision Administration and the legal representative of Zhang Qingchao, is engaged in the research and manufacturing of DC power supplies, switching power supplies, voltage regulators, chargers, new energy power supplies, high and low voltage complete sets of equipment, box type substations, electronic chassis, and electrical automation control equipment; Import and export business of goods (projects that require approval by law can only be carried out after approval by relevant departments). Core products: Stable Voltage And Current Power Supply, Electrolytic Power Supply, Electrophoretic Power Supply

TOP4
Shandong Kuang'an Heavy Industry Co., Ltd
Overall Score4.7 / 5
Est. Date2020-11-05
Registered Capital51180K CNY

Shandong Kuang'an Heavy Industry Co., Ltd., with its registered address at Building 9, Shanbo Road South Yard, 666 meters east of the intersection of Shanbo Road and Haichuan Road, High tech Zone, Jining City, Shandong Province, is registered with the Market Supervision and Administration Bureau of Jining High tech Industrial Development Zone. The legal representative is Chen Qian, and the business scope includes general projects such as mining machinery manufacturing; Manufacturing of power electronic components; General equipment manufacturing (excluding special equipment manufacturing); Specialized equipment manufacturing (excluding licensed specialized equipment manufacturing); Research and development of distribution switch control equipment; Mechanical equipment research and development; Research and development of motors and their control systems; Sales of mining machinery; Retail of electronic components; Sales of mechanical and electrical equipment; General equipment repair; Electrical equipment repair; Sales of underwater systems and operational equipment; Electronic product sales; Sales of plastic products; Information system operation and maintenance services; Maintenance of electronic and mechanical equipment (excluding special equipment); Installation services for ordinary mechanical equipment; Import and export of goods; Technology import and export; Internet sales (except for the sale of goods that need to be licensed); Sales of construction machinery. (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: Stable Voltage And Current Power Supply, Roller Can Ear, Pneumatic Obstruction Device

TOP5
Shandong Yuanchuang Instrument Co., Ltd
Overall Score4.7 / 5
Est. Date2016-04-29
Registered Capital3000K CNY

Shandong Yuanchuang Instrument Co., Ltd., registered at 18th floor, Red Star Macalline World Trade Center, Wenfeng East Road, Jinxiang County, Jining City, Shandong Province, with the registration authority of Jinxiang County Market Supervision Administration and the legal representative of Wang Ruxuan. Its business scope includes general projects: sales of instruments and meters; Instrument and meter repair; Sales of optical instruments; Sales of intelligent instruments and meters; Sales of experimental analytical instruments; Sales of specialized equipment for environmental protection; Sales of glassware; Technology import and export; Sales of water quality pollutant monitoring and detection instruments and meters; Sales of marine water quality and ecological environment monitoring instruments and equipment; Sales of specialized teaching instruments; Sales of air pollution monitoring and detection instruments and meters; Sales of clocks and timing instruments; Sales of mechanical and electrical equipment; Sales of environmental emergency detection instruments and meters; Sales of electronic measuring instruments; Electronic product sales; Sales of specialized instruments for navigation, surveying, meteorology, and oceanography; Sales of electronic specialized equipment; Sales of rubber products; Sales of Class I medical devices; Sales of firefighting equipment; Sales of intelligent robots; Wholesale of hardware products; Sales of metal tools; Sales of electrical accessories; Wholesale of computer software, hardware, and auxiliary equipment; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Wholesale of automotive spare parts; Sales of drawing, calculation, and measuring instruments; Manufacturing of atmospheric pollution monitoring and detection instruments and meters; Manufacturing of instruments and meters; Manufacturing of intelligent instruments and meters. (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law). Core products: Stable Voltage And Current Power Supply, Fat Monitor, Inspection Device

TOP6
Jinan Zhonggong Boao Energy Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2024-02-28
Registered Capital500K CNY

Jinan Zhonggong Boao Energy Technology Co., Ltd., with its registered address at Workshop 2, No. 1617 Century Avenue, Bucun Street, Zhangqiu District, Jinan City, Shandong Province, is registered with the Market Supervision and Administration Bureau of Zhangqiu District, Jinan City. The legal representative is Gao Junyue, and its business scope includes general projects such as research and development of new material technology; Manufacturing of new energy prime mover equipment; Sales of new energy original equipment; Sales of electrical equipment; Manufacturing of power transmission, distribution and control equipment; Manufacturing of industrial automatic control system devices; Manufacturing of transformers, rectifiers, and inductors; Manufacturing of mechanical and electrical equipment; Sales of distribution switch control equipment; Wholesale of electronic components; Electrical equipment repair; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Manufacturing of mobile communication devices; Sales of mobile communication devices. (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: Stable Voltage And Current Power Supply, Bidirectional Dc Power Supply, Feedback Type Dc Power Supply

TOP7
Shandong Sailite Automation Equipment Co., Ltd
Overall Score4.6 / 5
Est. Date2023-01-10
Registered Capital3000K CNY

Shandong Sailite Automation Equipment Co., Ltd., registered at 408-C5, Building 1, Rongjian Fortune Plaza, No. 27566 Jingshi Road, Dianbei Road Street, Huaiyin District, Jinan City, Shandong Province (multiple photos for one location), registered with the Market Supervision Administration of Huaiyin District, Jinan City, with Li Feiran as the legal representative. Its business scope includes general projects such as computer software, hardware, and peripheral equipment manufacturing; Sales of mechanical equipment; Sales of metal products; Sales of intelligent instruments and meters; Sales of liquid tight components and systems; Sales of pumps and vacuum equipment; Sales of pneumatic power machinery and components; Sales of electrical instruments and meters; Sales of electronic measuring instruments; Sales of new energy original equipment; Sales of chemical products (excluding licensed chemical products); Wholesale of hardware products; Sales of electrical equipment; Electronic product sales; Wholesale of automotive spare parts; Retail of computer software, hardware, and auxiliary equipment; Sales of daily necessities; 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: Stable Voltage And Current Power Supply, Brake, Heat Sealing Controller

TOP8
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: Stable Voltage And Current Power Supply, Medium Frequency Power Supply, Aviation Power Supply

TOP9
Shandong Zhonggong Electric Co., Ltd
Overall Score4.4 / 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: Stable Voltage And Current Power Supply, Microgrid,

TOP10
Shandong Zhonggong Electric Co., Ltd
Overall Score4.4 / 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: Stable Voltage And Current Power Supply, Battery Simulator, Power Grid Simulator

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Shandong Heyun Electric Co., Ltd2021-09-06Stable Voltage And Current Power Supply, Variable Frequency Power Supply, Inverter Power Supply3250K CNYNot Supported
Shandong Dongda Electromechanical Co., Ltd2008-04-25Stable Voltage And Current Power Supply, Transmitter, Speed Reducer56890K CNYNot Supported
Hebei Tongke Electrical Appliance Manufacturing Co., Ltd2005-01-27Stable Voltage And Current Power Supply, Electrolytic Power Supply, Electrophoretic Power Supply12000K CNYNot Supported
Shandong Kuang'an Heavy Industry Co., Ltd2020-11-05Stable Voltage And Current Power Supply, Roller Can Ear, Pneumatic Obstruction Device51180K CNYNot Supported
Shandong Yuanchuang Instrument Co., Ltd2016-04-29Stable Voltage And Current Power Supply, Fat Monitor, Inspection Device3000K CNYNot Supported
Jinan Zhonggong Boao Energy Technology Co., Ltd2024-02-28Stable Voltage And Current Power Supply, Bidirectional Dc Power Supply, Feedback Type Dc Power Supply500K CNYNot Supported
Shandong Sailite Automation Equipment Co., Ltd2023-01-10Stable Voltage And Current Power Supply, Brake, Heat Sealing Controller3000K CNYNot Supported
Shandong Xinchi Energy Technology Co., Ltd2010-08-26Stable Voltage And Current Power Supply, Medium Frequency Power Supply, Aviation Power Supply22000K CNYNot Supported
Shandong Zhonggong Electric Co., Ltd2020-03-23Stable Voltage And Current Power Supply, Microgrid, 10000K CNYNot Supported
Shandong Zhonggong Electric Co., Ltd2020-03-23Stable Voltage And Current Power Supply, Battery Simulator, Power Grid Simulator10000K CNYNot Supported

Purchasing Guide

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

  • For procurement requirements that require the use of a stable voltage and current power supply, it is recommended to prioritize confirming key technical parameters such as output voltage range, current accuracy, and ripple factor to ensure compatibility with experimental equipment or production line loads.
  • In industrial automation or laboratory scenarios, stable voltage and current power supplies need to be adapted to different load characteristics such as high-frequency switches or precision instruments. When purchasing, single or multiple output models can be selected according to the needs of the scenario.
  • 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 to balance technical adaptability and supply chain stability.
  • If purchasing a stable voltage and current power supply for long-term continuous operation environment, it is recommended to pay extra attention to heat dissipation design and operating temperature range to avoid affecting equipment life due to overheating.

Knowledge Base

Q

The selection of DC adjustable voltage and current stable charging power supply should focus on the compatibility of technical parameters, stability and safety, production process, after-sales support, and business conditions. Select suppliers with complete certification qualifications, mature manufacturing capabilities, and a comprehensive service system to ensure reliable product performance and strong application adaptability, helping to improve equipment efficiency and project implementation quality.

Q

This article analyzes the working principle and application scenarios of constant current mode in regulated power supplies, and uses metaphors and real-life examples to illustrate its protection circuit and stable output characteristics, helping readers understand this common but easily overlooked function.

Q

This article aims to popularize the basic concept of constant current in regulated power supplies, explain the mutual influence between output voltage and current in constant current mode, and help readers understand the core principles of power supply operation.

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