Updated Aug 30, 2026 · Public platform & industry data

Aug 30, 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 Deli Electric Co., Ltd, Shaanxi Nanye Electric Power Equipment Co., Ltd, Shandong Guanneng Power Equipment Co., Ltd, Jinpan Intelligent Technology Group Co., Ltd, Shandong Xiangtong Electric Co., Ltd, Shandong Xinrong Transformer Manufacturing Co., Ltd, Xuzhou Haohai Electric Co., Ltd, Shaanxi Jinpan Electric Power Equipment Co., Ltd, Zhejing Electrical Equipment Manufacturing (Shanghai) Co., Ltd, Shandong Hengchang Transformer 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 Deli Electric Co., Ltd
Overall Score4.9 / 5
Est. Date2019-06-27
Registered Capital5160K CNY

Shandong Deli Electric Co., Ltd., with its registered address at No. 703, Unit 2, Building 21, No. 145 Wutaizha Road, Xianying Street, Rencheng District, Jining City, Shandong Province, is registered with the Market Supervision and Administration Bureau of Rencheng District, Jining City. The legal representative is Zhang Nayan, and the business scope includes the sales, after-sales, and maintenance services of transformers, box type substations, reactors, cables, switchgear, insulation materials, railway equipment, transmission and transformation equipment, mechanical equipment, industrial and mining equipment and their accessories. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Oil Immersed Copper, Servo Motor Transformer, Rubber Crossing Plate

Top 2
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Shaanxi Nanye Electric Power Equipment Co., Ltd
Overall Score4.7 / 5
Est. Date2019-03-26
Registered Capital10000K CNY

Shaanxi Nanye Electric Power Equipment Co., Ltd., with its registered address at 1151, Building 1, Aerospace City Center Square, Shenzhou V Road, National Civil Aerospace Industry Base, Xi'an City, Shaanxi Province, is registered with the High tech Zone Branch (Aerospace Area) of Xi'an Municipal Administration for Market Regulation. The legal representative is Kuang Xinlong, and its business scope includes the design, research and development, installation, and sales of high and low voltage complete sets of equipment and accessories, transformers, electronic components, instruments and meters, and power equipment; Road transportation of ordinary goods. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Oil Immersed Copper, Complete Equipment, Disconnecting Switch

Top 3
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Shandong Guanneng Power Equipment Co., Ltd
Overall Score4.7 / 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, Box-Type Transformer, Oil Immersed Transformer Supplier

TOP4
Jinpan Intelligent Technology Group Co., Ltd
Overall Score4.6 / 5
Est. Date2013-06-13
Registered Capital50000K CNY

Jinpan Intelligent Technology Group Co., Ltd., with its registered address at 3-1011, Building 3, 4 and 5, Business Office, Yunlong Wanda Plaza, Mount Huangshan Street, Yunlong District, Xuzhou City, Jiangsu Province, is registered by the Government Affairs Service Management Office of Yunlong District, Xuzhou City, and its legal representative is Wu Shigang. Its business scope includes intelligent technology development; Electrical equipment technology development, technical consulting, and technical services; Electrical equipment and accessories, transformers, distribution switch control equipment, wire and cable processing, sales, and maintenance; Import and export business of various commodities and technologies through self operation and agency (excluding commodities and technologies restricted or prohibited from import and export by the state). (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Oil Immersed Copper, Box-Type Transformer, Photovoltaic Prefabricated Cabin

TOP5
Shandong Xiangtong Electric Co., Ltd
Overall Score4.6 / 5
Est. Date2021-09-22
Registered Capital30000K CNY

Shandong Xiangtong Electric Co., Ltd., with its registered address at 588 meters east of Lingwangmiao Village Committee, Dabu Township, Yanggu County, Liaocheng City, Shandong Province, is registered with the Yanggu County Market Supervision Administration Bureau and represented by Li Zhongsheng. Its business scope includes general projects such as sales of electrical equipment; Manufacturing of transformers, rectifiers, and inductors; Manufacturing of distribution switch control equipment; Sales of distribution switch control equipment; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of power facilities and equipment; Sales of photovoltaic equipment and components; Sales of industrial automatic control system devices; Import and export of goods; Import and export agency. (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: Oil Immersed Copper, Oil Immersed Isolation Transformer, S20 Series Oil Immersed Transformer (Level 2 Energy Efficiency)

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, Dry-Type Transformer, Box-Type Transformer

TOP7
Xuzhou Haohai Electric Co., Ltd
Overall Score4.5 / 5
Est. Date2018-12-03
Registered Capital30000K CNY

Xuzhou Haohai Electric Co., Ltd. is registered at Group 3, Licun Village, Zhangji Town, Tongshan District, Xuzhou City. The registration authority is the Tongshan District Government Service Management Office of Xuzhou City, and the legal representative is Li Shuang. The business scope includes the processing, sales, and maintenance of electrical equipment and accessories, substation equipment and accessories, transformers and accessories, power tools, high and low voltage switchgear, power equipment, and box type substation cabinets, as well as the sales of wires and cables. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Oil Immersed Copper, Scb14, Sh15

TOP8
Shaanxi Jinpan Electric Power Equipment Co., Ltd
Overall Score4.5 / 5
Est. Date2025-11-17
Registered Capital100K CNY

Shaanxi Jinpan Power Equipment Co., Ltd., located at Room 602-867, 6th Floor, Tengfei Kehui City, Singapore, No. 88 Tiangu 7th Road, High tech Zone, Xi'an City, Shaanxi Province, was established on November 17, 2025. The registered authority is the High tech Zone Branch of Xi'an Municipal Administration for Market Regulation, and the legal representative is Dong Guoai. Core products: Oil Immersed Copper

TOP9
Zhejing Electrical Equipment Manufacturing (Shanghai) Co., Ltd
Overall Score4.4 / 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

TOP10
Shandong Hengchang Transformer Co., Ltd
Overall Score4.4 / 5
Est. Date2021-04-19
Registered Capital60000K CNY

Shandong Hengchang Transformer Co., Ltd., with its registered address at No. 267 Wangxing Village, Jiangguantun 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 Zhu Qiuling, and its business scope includes general projects such as transformer, rectifier, and inductor manufacturing; Manufacturing of power facilities and equipment; Manufacturing of metal materials; Manufacturing of metal chains and other metal products; Sales of signs for transportation and public management. (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: Oil Immersed Copper, Dry-Type Transformer, Oil Immersed Transformer

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Shandong Deli Electric Co., Ltd2019-06-27Oil Immersed Copper, Servo Motor Transformer, Rubber Crossing Plate5160K CNYNot Supported
Shaanxi Nanye Electric Power Equipment Co., Ltd2019-03-26Oil Immersed Copper, Complete Equipment, Disconnecting Switch10000K CNYSupported
Shandong Guanneng Power Equipment Co., Ltd2017-01-19Oil Immersed Copper, Box-Type Transformer, Oil Immersed Transformer Supplier3000K CNYSupported
Jinpan Intelligent Technology Group Co., Ltd2013-06-13Oil Immersed Copper, Box-Type Transformer, Photovoltaic Prefabricated Cabin50000K CNYSupported
Shandong Xiangtong Electric Co., Ltd2021-09-22Oil Immersed Copper, Oil Immersed Isolation Transformer, S20 Series Oil Immersed Transformer (Level 2 Energy Efficiency)30000K CNYNot Supported
Shandong Xinrong Transformer Manufacturing Co., Ltd2021-09-26Oil Immersed Copper, Dry-Type Transformer, Box-Type Transformer120000K CNYNot Supported
Xuzhou Haohai Electric Co., Ltd2018-12-03Oil Immersed Copper, Scb14, Sh1530000K CNYSupported
Shaanxi Jinpan Electric Power Equipment Co., Ltd2025-11-17Oil Immersed Copper100K CNYSupported
Zhejing Electrical Equipment Manufacturing (Shanghai) Co., Ltd2014-06-11Oil Immersed Copper, , Transformer5000K CNYNot Supported
Shandong Hengchang Transformer Co., Ltd2021-04-19Oil Immersed Copper, Dry-Type Transformer, Oil Immersed Transformer60000K 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