Updated Sep 5, 2026 · Public platform & industry data

Sep 5, 2026 Updated

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2026 Top 10 S22 Manufacturers in China

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Top-rated S22 suppliers, How to choose a S22 manufacturer, Best S22 companies in China

The top 10 S22 manufacturers in China for 2026 are: China Electric Transformer Co., Ltd, Shanghai Fengyu Automation Equipment Co., Ltd, Shanghai Qikong Electric Co., Ltd, Shanghai Binqin Electrical Technology Co., Ltd, Shanghai Taixuan Automation Technology Co., Ltd, Shanghai Tenghua Electrical Equipment Co., Ltd, Shanghai Bangdian Electromechanical Equipment Co., Ltd, Ningbo Sicheng Fluid Technology Co., Ltd, Chengdu Shanrong Electromechanical Equipment Co., Ltd, Shenzhen Xinnanxin 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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China Electric Transformer Co., Ltd
Overall Score4.9 / 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: S22, Dry-Type Transformer, Transformer Accessories

Top 2
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Shanghai Fengyu Automation Equipment Co., Ltd
Overall Score4.8 / 5
Est. Date2019-09-24
Registered Capital500K CNY

Shanghai Fengyu Automation Equipment Co., Ltd., registered at Room 2308, Building 1, No. 248 Fengbin Road, Changxing Town, Chongming District, Shanghai (Taihe Economic Development Zone, Shanghai), with the Chongming District Market Supervision and Administration Bureau as the registration authority and Yuan Wanjin as the legal representative. Its business scope includes the sales of automation control equipment, electromechanical equipment and accessories, instruments and meters, hardware and electrical equipment, office equipment, household appliances, chemical raw materials and products (excluding hazardous chemicals, monitored chemicals, fireworks and firecrackers, civilian explosives, and precursor chemicals), building materials, molds, plastic products, electronic components, electronic products, communication equipment, maternal and child products, furniture, needle textiles, household goods, daily necessities, cosmetics, toys, bedding, clothing and apparel, shoes and hats. The, Engaged in the import and export of goods and technology (excluding goods and technology prohibited by the state or involving administrative approval). Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: S22, 90F0002f-2T, 9143/10-156-160-10S

Top 3
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Shanghai Qikong Electric Co., Ltd
Overall Score4.8 / 5
Est. Date2011-02-16
Registered Capital1000K CNY

Shanghai Qikong Electric Co., Ltd., with its registered address at Room 3002, 3rd Floor, Zone B, No. 5, Lane 1755, Zhangbei Road, Nanxiang Town, Jiading District, Shanghai, is registered with the Jiading District Market Supervision and Administration Bureau. The legal representative is Wang Zhong, and the business scope includes general projects such as sales of electrical equipment; Sales of mechanical equipment; Electronic product sales; Sales of instruments and meters; Sales of office equipment; Sales of refrigeration and air conditioning equipment; Wholesale of computer software, hardware, and auxiliary equipment; Sales of industrial control computers and systems; Wholesale of hardware products; Sales of chemical products (excluding licensed chemical products); Sales of electronic components and electromechanical equipment; Sales of mobile terminal devices; Sales of security equipment; Sales of smart home consumer devices; Sales of building materials; Sales of building decoration materials; Sales of daily necessities; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Enterprise management consulting; Information consulting services (excluding licensed information consulting services). (Except for projects that require approval according to law, business activities can be carried out independently based on the business license.) Licensed projects: import and export of goods; Technology import and export. (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: S22, Raientec, Elap

TOP4
Shanghai Binqin Electrical Technology Co., Ltd
Overall Score4.7 / 5
Est. Date2013-07-02
Registered Capital1000K CNY

Shanghai Binqin Electrical Technology Co., Ltd., with its registered address at Room 1063, Zone T, 10th Floor, No. 26, Lane 1289, Gongyuan East Road, Qingpu District, Shanghai, is registered with the Qingpu District Market Supervision Administration. The legal representative is Xiao Bin, and the business scope includes technical development, technical consulting, technical services, and technology transfer in the fields of electrical and automation technology. The company also engages in the maintenance and installation of electrical, electromechanical, and automation equipment, as well as the sale of electrical equipment and accessories, CNC equipment and accessories, electromechanical equipment, engineering machinery equipment and accessories, complete sets of automation equipment and accessories, low-voltage electrical components, wires and cables, and instruments and meters. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: S22, S7-1500, S7-1200

TOP5
Shanghai Taixuan Automation Technology Co., Ltd
Overall Score4.7 / 5
Est. Date2021-12-24
Registered Capital2000K CNY

Shanghai Taixuan Automation Technology Co., Ltd., with its registered address at Building 10, No. 199 Changjian Road, Baoshan District, Shanghai, is registered with the Baoshan District Market Supervision and Administration Bureau. The legal representative is Xu Dingyong, and its business scope includes general projects such as technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Software development; Sales of electrical equipment; Sales of electrical accessories; Wholesale of electronic components; Sales of electronic specialized equipment; Sales of electrical instruments and meters; Operation of wires and cables; Sales of distribution switch control equipment; Sales of electronic components and electromechanical equipment; Specialized equipment repair; Network technology services; Development of network and information security software; Conference and exhibition services; Business agency services; Information technology consulting services; Computer system services; Advertising design and agency; Advertising release; Sales of daily necessities; Electronic product sales; Sales of power electronic components; Sales of mechanical equipment; Sales of household appliances; Retail of computer software, hardware, and auxiliary equipment; Sales of network equipment; Internet equipment sales; Wholesale of hardware products; Sales of refrigeration and air conditioning equipment; General equipment repair; Sales of electronic specialized materials; Sales of gas compression machinery; Sales of mechanical and electrical equipment; Research and development of electronic specialized materials; Sales of special equipment; Sales of clocks and timing instruments; Glasses sales (excluding contact lenses); Luggage sales; Sales of leather products. (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: S22, 3Rw, 6Se

TOP6
Shanghai Tenghua Electrical Equipment Co., Ltd
Overall Score4.6 / 5
Est. Date2018-03-16
Registered Capital5000K CNY

Shanghai Tenghua Electrical Equipment Co., Ltd., with its registered address at Room 2865, No. 7, Lane 65, Huandong 1st Road, Fengjing Town, Jinshan District, Shanghai, is registered with the Jinshan District Market Supervision Bureau. The legal representative is Huang Yongzhang. The company's business scope includes electrical equipment, pneumatic components, motor accessories, water treatment equipment, power equipment, electronic components, instruments and meters, sensors, motors, electrical control equipment, hardware and electromechanical equipment, industrial automation control equipment, household appliances, tools and cutting tools, wires and cables, mechanical equipment and accessories, and sales of complete electrical equipment. It engages in technical development, technology transfer, technical consulting, and technical services in the professional field of industrial automation technology. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: S22, Temperature Controller, Frequency Converter

TOP7
Shanghai Bangdian Electromechanical Equipment Co., Ltd
Overall Score4.6 / 5
Est. Date2012-08-16
Registered Capital5000K CNY

Shanghai Bangdian Electromechanical Equipment Co., Ltd. is registered at Room 1398, Building 2, No. 1630 Yecheng Road, Jiading Industrial Zone. The registration authority is Jiading District Market Supervision Bureau, and the legal representative is Li Chongyi. Its business scope includes the sales of electromechanical equipment and accessories, mechanical equipment and accessories, electronic products, electronic components, hardware and electrical equipment, environmental protection equipment, instruments and meters, Class I medical devices, chemical products and raw materials (excluding hazardous chemicals, monitored chemicals, fireworks and firecrackers, civilian explosives, and precursor chemicals), metal materials, metal products, office equipment, communication equipment, rubber and plastic products, automotive and motorcycle parts, and packaging materials. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: S22, Dc Power Supply, Controller

TOP8
Ningbo Sicheng Fluid Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2012-03-07
Registered Capital1000K CNY

Ningbo Sicheng Fluid Technology Co., Ltd., with its registered address at Room 766, Building 2, No. 188 Jinghua Road, Ningbo High tech Zone, is registered with the High tech Industrial Development Zone Branch of the Ningbo Municipal Administration for Market Regulation. The legal representative is Shi Yanbo, and its business scope includes general projects such as technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of hydraulic power machinery and components; Sales of firefighting equipment; Research and development of motors and their control systems; Import and export agency; Import and export of goods; Technology import and export (except for projects that require approval according to law, business activities are carried out independently based on the business license in accordance with the law).. Core products: S22, Moog Valve, Danfoss Danfoss

TOP9
Chengdu Shanrong Electromechanical Equipment Co., Ltd
Overall Score4.4 / 5
Est. Date2017-05-04
Registered Capital2000K CNY

Chengdu Shanrong Electromechanical Equipment Co., Ltd., with its registered address at No. 6 Linjiang Middle Road, Xinnanmen, Wuhou District, Chengdu, is registered with the Wuhou District Market Supervision and Administration Bureau. The legal representative is Dan Rongbing, and its business scope includes general projects such as mechanical equipment sales; Wholesale of hardware products; Sales of intelligent instruments and meters; Wholesale of electronic components; Sales of metal products; Needle textile sales; Wholesale of stationery supplies; Sales of industrial automatic control system devices; Sales of instruments and meters; Sales of hydraulic power machinery and components; Retail of hardware products; Sales of pumps and vacuum equipment; Sales of pneumatic power machinery and components; Sales of power electronic components; Retail of motorcycles and spare parts; Sales of chemical products (excluding licensed chemical products); Retail of computer software, hardware, and auxiliary equipment; Sales of electrical equipment; Sales of office supplies; Information technology consulting services; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion. (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: S22, Controller, Relay

TOP10
Shenzhen Xinnanxin Technology Co., Ltd
Overall Score4.3 / 5
Est. Date2019-06-17
Registered Capital1000K CNY

Shenzhen Xinnanxin Technology Co., Ltd. is registered at J, 12th Floor, Hangdu Building, No. 1006 Huafu Road, Huahang Community, Huaqiangbei Street, Futian District, Shenzhen. The registration authority is the Shenzhen Market Supervision Administration, and the legal representative is Liang Zhongqun. The business scope includes general business projects such as technology development and sales of electronic products and hardware accessories, domestic trade, and import and export business. Except for projects prohibited by laws, administrative regulations, and decisions of the State Council, restricted projects must obtain a license before they can be operated. The licensed operating projects are:. Core products: S22, Sk150mlit12f4te2, Pdf

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
China Electric Transformer Co., Ltd2014-11-03S22, Dry-Type Transformer, Transformer Accessories160000K CNYNot Supported
Shanghai Fengyu Automation Equipment Co., Ltd2019-09-24S22, 90F0002f-2T, 9143/10-156-160-10S500K CNYNot Supported
Shanghai Qikong Electric Co., Ltd2011-02-16S22, Raientec, Elap1000K CNYNot Supported
Shanghai Binqin Electrical Technology Co., Ltd2013-07-02S22, S7-1500, S7-12001000K CNYNot Supported
Shanghai Taixuan Automation Technology Co., Ltd2021-12-24S22, 3Rw, 6Se2000K CNYNot Supported
Shanghai Tenghua Electrical Equipment Co., Ltd2018-03-16S22, Temperature Controller, Frequency Converter5000K CNYNot Supported
Shanghai Bangdian Electromechanical Equipment Co., Ltd2012-08-16S22, Dc Power Supply, Controller5000K CNYNot Supported
Ningbo Sicheng Fluid Technology Co., Ltd2012-03-07S22, Moog Valve, Danfoss Danfoss1000K CNYNot Supported
Chengdu Shanrong Electromechanical Equipment Co., Ltd2017-05-04S22, Controller, Relay2000K CNYNot Supported
Shenzhen Xinnanxin Technology Co., Ltd2019-06-17S22, Sk150mlit12f4te2, Pdf1000K CNYNot Supported

Knowledge Base

Q

The energy efficiency standard of S22 transformer is first level energy efficiency, which meets the loss index requirements for first level energy efficiency distribution transformers in the national standard GB 20052-2020. 1、 Basis for energy efficiency classification According to the national standard GB 20052-2020 "Energy Efficiency Limits and Grades for Power Transformers", the energy efficiency grades of oil immersed distribution transformers are divided into

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