Updated Oct 26, 2026 · Public platform & industry data

Oct 26, 2026 Updated

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2026 Top 10 Oil Immersed Copper Manufacturers in China

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Top-rated Oil Immersed Copper suppliers, How to choose a Oil Immersed Copper manufacturer, Best Oil Immersed Copper companies in China

The top 10 Oil Immersed Copper manufacturers in China for 2026 are: Shandong Huayu Heavy Industry Machinery Co., Ltd, China Electric Transformer Co., Ltd, Zhejing Electrical Equipment Manufacturing (Shanghai) Co., Ltd, Shanghai Minghan Electric Technology Co., Ltd, Hefei Aneng Transformer Co., Ltd, Shandong Xinrong Transformer Manufacturing Co., Ltd, Shandong Guanneng Power Equipment Co., Ltd, Jiangsu Hekang Electrical Equipment Co., Ltd, Henan Shengzhi Ruinuo Electrical Equipment Co., Ltd, Chengdu Xinchuan Electric Machinery Equipment 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 Huayu Heavy Industry Machinery Co., Ltd
Overall Score4.9 / 5
Est. Date2020-12-17
Registered Capital5000K CNY

Shandong Huayu Heavy Industry Machinery Co., Ltd. is located at No. 2213, 22nd floor, Unit 01, Block E, Zhongde Plaza, Liying Street, Rencheng District, Jining City, Shandong Province. It was established on December 17, 2020, and registered with the Market Supervision Administration of Rencheng District, Jining City. The legal representative is Xin Yanxia. Core products: Oil Immersed Copper, Transportation Equipment, Explosion Proof Instrument

Top 2
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China Electric Transformer Co., Ltd
Overall Score4.7 / 5
Est. Date2014-11-03
Registered Capital160000K CNY

Zhongdian Transformer Co., Ltd., with its registered address at No. 10 Zhonghuan Avenue, Binjiang Economic Development Zone, Jiangning District, Nanjing City, is registered with the Nanjing Municipal Administration for Market Regulation. The legal representative is Zhang Haibin, and its business scope includes general projects such as transformer, rectifier, and inductor manufacturing; Manufacturing of mechanical and electrical equipment; Research and development of efficient and energy-saving technologies in the power industry; Sales of intelligent power transmission and distribution and control equipment; Manufacturing of power transmission, distribution and control equipment; Sales of mechanical and electrical equipment; Research and development of distribution switch control equipment; Manufacturing of electrical accessories; Electrical equipment repair; Rolling and processing of non-ferrous metals; Import and export of goods; Technology import and export; Information technology consulting services; Energy storage technology services; Manufacturing of new energy prime mover equipment; Sales of new energy original equipment; Sales of power electronic components (except for projects that require approval according to law, conducting business activities independently based on the business license in accordance with the law). Core products: Oil Immersed Copper, Box-Type Transformer, Dry-Type Transformer

Top 3
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Zhejing Electrical Equipment Manufacturing (Shanghai) Co., Ltd
Overall Score4.7 / 5
Est. Date2014-06-11
Registered Capital5000K CNY

Zhejing Electrical Equipment Manufacturing (Shanghai) Co., Ltd., with its registered address at Building B11, No. 2, Lane 158, Gangye Road, Xiaokunshan Town, Songjiang District, Shanghai, is registered with the Songjiang District Market Supervision Bureau. The legal representative is Fan Jianhui, and the business scope includes the research and development, manufacturing, processing, maintenance (excluding installation, maintenance, and testing of power facilities), and sales of electrical equipment (excluding special equipment), power source equipment, transformers, voltage regulators, explosion-proof electrical appliances, electrical control cabinets, distribution boxes, switches, water pumps, valves (excluding special equipment), as well as the sales of metal materials, wires and cables, building materials, lighting fixtures, packaging materials, and wooden products. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Oil Immersed Copper, , Transformer

TOP4
Shanghai Minghan Electric Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2016-01-18
Registered Capital10000K CNY

Shanghai Minghan Electric Technology Co., Ltd. is registered at Room 117, No. 406 Zhuangbei Road, Zhuangxing Town, Fengxian District, Shanghai. The registration authority is the Fengxian District Market Supervision Bureau, and the legal representative is Xiao Jianping. The company's business scope includes technology development, technical consulting, technical services, and technology transfer in the field of electrical technology, wholesale and retail of complete electrical equipment, intelligent equipment, electronic components, power equipment, wire and cable, hardware tools, cold sheet metal (limited to branch operations), and design, installation, and maintenance of power equipment. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Oil Immersed Copper, Current Limiting Reactor, Complete Set Of Grounding Arc Suppression Device

TOP5
Hefei Aneng Transformer Co., Ltd
Overall Score4.6 / 5
Est. Date2025-02-19
Registered Capital10K CNY

Hefei Aneng Transformer Co., Ltd., registered at Room 802, Building 8, Minghuang Home, Longgang Road and Minghuang Road Intersection, Longgang Comprehensive Economic Development Zone, Yaohai District, Hefei City, Anhui Province, registered with the Yaohai District Market Supervision and Administration Bureau, with Sun Yangyang as the legal representative. Its business scope includes general projects such as transformer, rectifier, and inductor manufacturing; Sales of monitoring and control equipment for power transmission and distribution; Sales of distribution switch control equipment; Technical services, technology development, technology consulting, technology exchange, technology transfer, technology promotion (except for licensed businesses, can independently operate projects that are not prohibited or restricted by laws and regulations). Core products: Oil Immersed Copper, Dry-Type Transformer, An Neng Power Transformer

TOP6
Shandong Xinrong Transformer Manufacturing Co., Ltd
Overall Score4.5 / 5
Est. Date2021-09-26
Registered Capital120000K CNY

Shandong Xinrong Transformer Manufacturing Co., Ltd., with its registered address at No. 176 Yangji Village, Beicheng Street, Liaocheng Economic and Technological Development Zone, Shandong Province, is registered with the Market Supervision and Administration Bureau of Liaocheng Economic and Technological Development Zone. The legal representative is Sang Xuekun, and its business scope includes general projects such as transformer, rectifier, and inductor manufacturing; Manufacturing of power facilities and equipment; Sales of power facilities and equipment; Sales of power electronic components; Sales of intelligent power transmission and distribution and control equipment; Manufacturing of distribution switch control equipment; Sales of distribution switch control equipment; Research and development of distribution switch control equipment; Sales of electrical equipment; Electrical equipment repair; Sales of generators and generator sets; Sales of mechanical equipment; Manufacturing of specialized electrical and mechanical equipment; Manufacturing of electronic components; Electronic product sales; Manufacturing of high-speed rail equipment and accessories; Sales of high-speed rail equipment and accessories; Manufacturing of capacitors and their supporting equipment; Installation services for ordinary mechanical equipment; Manufacturing of electronic components and electromechanical equipment; Sales of electronic components and electromechanical equipment; Repair of communication equipment; Manufacturing of power electronic components; Retail of hardware products; Wholesale of hardware products; Operation of wires and cables; Information consulting services (excluding licensed information consulting services); Professional design services. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license) Licensed project: Manufacturing of wires and cables. (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: Oil Immersed Copper, Box-Type Transformer, Dry-Type Transformer

TOP7
Shandong Guanneng Power Equipment Co., Ltd
Overall Score4.5 / 5
Est. Date2017-01-19
Registered Capital3000K CNY

Shandong Guanneng Power Equipment Co., Ltd., with its registered address at No. 930, Suntuan Village, Chongwen Street Office, Guanxian County, registered with the Guanxian Market Supervision and Administration Bureau, and represented by Tian Huanqiao as its legal representative. Its business scope includes general projects such as sales of power facilities and equipment; Sales of electrical equipment; Rental services (excluding licensed rental services); Electrical equipment repair; Sales of metal wire ropes and their products; Sales of plastic products; Sales of pumps and vacuum equipment; Wholesale of hardware products; Sales of metal tools; Retail of hardware products; Centralized fast charging station; Operation of electric vehicle charging infrastructure. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license.) Licensed project: construction project construction. (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: Oil Immersed Copper, Oil Immersed Power Transformer, Oil Immersed Power Transformer

TOP8
Jiangsu Hekang Electrical Equipment Co., Ltd
Overall Score4.5 / 5
Est. Date2021-04-25
Registered Capital10000K CNY

Jiangsu Hekang Electrical Equipment Co., Ltd., with its registered address at 318 Xueyuan Road, Tangzhang Town, Tongshan District, Xuzhou City, Jiangsu Province, is registered with the Government Service Management Office of Tongshan District, Xuzhou City. The legal representative is Liu Xiongzhuang, and the business scope includes general projects such as transformer, rectifier, and inductor manufacturing; Manufacturing of distribution switch control equipment; Sales of distribution switch control equipment; Manufacturing of power facilities and equipment; Manufacturing of mechanical and electrical equipment; Sales of electrical and mechanical equipment; Manufacturing of specialized equipment for environmental protection; Sales of specialized equipment for environmental protection; Motor manufacturing; Manufacturing of electric motors; Manufacturing of power electronic components; Sales of power electronic components; Sales of renewable resources; Sales of electronic specialized equipment; Manufacturing of electronic specialized equipment; Manufacturing of hardware products; Wholesale of hardware products; Operation of wires and cables; Sales of building decoration materials; Research and development of hardware products; Sales of instruments and meters; Sales of mechanical equipment; Installation services for ordinary mechanical equipment; Mechanical equipment leasing; Mechanical equipment research and development; Maintenance of electronic and mechanical equipment (excluding special equipment); Manufacturing of power transmission, distribution and control equipment; Specialized equipment repair (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: Oil Immersed Copper, Box-Type Transformer, High-Voltage Distribution Cabinet

TOP9
Henan Shengzhi Ruinuo Electrical Equipment Co., Ltd

No. 2804, 28th Floor, Unit 2, Building 3, No. 29 Jintian Road, Zhongyuan District, Zhengzhou City, Henan Province

Overall Score4.4 / 5
Est. Date2022-03-14
Registered Capital10080K CNY

Henan Shengzhi Ruinuo Electrical Equipment Co., Ltd. is located at No. 2804, 28th Floor, Unit 2, Building 3, No. 29 Jintian Road, Zhongyuan District, Zhengzhou City, Henan Province. It was established on March 14, 2022, with the registration authority of Zhengzhou Zhongyuan District Market Supervision Administration and the legal representative being Zhang Qiuge. Core products: Oil Immersed Copper, Scb11, Scbh17-Nx2

TOP10
Chengdu Xinchuan Electric Machinery Equipment Co., Ltd
Overall Score4.4 / 5
Est. Date2011-05-09
Registered Capital80000K CNY

Chengdu Xinchuan Electric Machinery Equipment Co., Ltd., registered at No. 766 Jinfengfeng Avenue, Building 14, Unit 1, 1st Floor, No. 2, Jinniu High tech Industrial Park, Chengdu, Sichuan Province, China. The registration authority is Jinniu District Market Supervision and Administration Bureau, and the legal representative is Luo Dabin. The business scope includes general projects: sales of mechanical equipment; Sales of electrical equipment; Retail of hardware products; Wholesale of hardware products; Manufacturing of power transmission, distribution and control equipment; Manufacturing of distribution switch control equipment; Manufacturing of power electronic components; Manufacturing of power facilities and equipment; Installation services for ordinary mechanical equipment; Manufacturing of mechanical and electrical equipment; Information system integration services; Software development; Software sales (except for projects that require approval according to law, conducting business activities independently based on the business license in accordance with the law). Licensed projects: various engineering construction activities; Construction of intelligent building engineering (projects that require approval by law can only be carried out after approval by relevant departments, and specific business projects are subject to approval documents or permits from relevant departments).. Core products: Oil Immersed Copper, Dry-Type Transformer, European-Style Box Transformer

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Shandong Huayu Heavy Industry Machinery Co., Ltd2020-12-17Oil Immersed Copper, Transportation Equipment, Explosion Proof Instrument5000K CNYNot Supported
China Electric Transformer Co., Ltd2014-11-03Oil Immersed Copper, Box-Type Transformer, Dry-Type Transformer160000K CNYNot Supported
Zhejing Electrical Equipment Manufacturing (Shanghai) Co., Ltd2014-06-11Oil Immersed Copper, , Transformer5000K CNYNot Supported
Shanghai Minghan Electric Technology Co., Ltd2016-01-18Oil Immersed Copper, Current Limiting Reactor, Complete Set Of Grounding Arc Suppression Device10000K CNYNot Supported
Hefei Aneng Transformer Co., Ltd2025-02-19Oil Immersed Copper, Dry-Type Transformer, An Neng Power Transformer10K CNYNot Supported
Shandong Xinrong Transformer Manufacturing Co., Ltd2021-09-26Oil Immersed Copper, Box-Type Transformer, Dry-Type Transformer120000K CNYNot Supported
Shandong Guanneng Power Equipment Co., Ltd2017-01-19Oil Immersed Copper, Oil Immersed Power Transformer, Oil Immersed Power Transformer3000K CNYSupported
Jiangsu Hekang Electrical Equipment Co., Ltd2021-04-25Oil Immersed Copper, Box-Type Transformer, High-Voltage Distribution Cabinet10000K CNYNot Supported
Henan Shengzhi Ruinuo Electrical Equipment Co., Ltd2022-03-14Oil Immersed Copper, Scb11, Scbh17-Nx210080K CNYNot Supported
Chengdu Xinchuan Electric Machinery Equipment Co., Ltd2011-05-09Oil Immersed Copper, Dry-Type Transformer, European-Style Box Transformer80000K CNYSupported

Knowledge Base

Q

Copper oil immersed transformers play an important role in many fields due to their unique performance and wide range of applications. This article will introduce its application in different fields from multiple perspectives. Copper oil immersed transformer is an important power conversion equipment widely used in various fields of the power system. Its unique design and materials make it

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