Updated Aug 2, 2026 · Public platform & industry data

Aug 2, 2026 Updated

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2026 Top 10 Three In Three Out Power Frequency Machine Manufacturers in China

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Top-rated Three In Three Out Power Frequency Machine suppliers, How to choose a Three In Three Out Power Frequency Machine manufacturer, Best Three In Three Out Power Frequency Machine companies in China

The top 10 Three In Three Out Power Frequency Machine manufacturers in China for 2026 are: Shenzhen Sandun Power Technology Co., Ltd, Ningbo Wensheng Intelligent Technology Co., Ltd, Isdun Power Technology (Shanghai) Co., Ltd, Zhonghong Shengda (Shaanxi) Electrical Technology Co., Ltd, Jinan Baiteli Power Technology Co., Ltd, Beijing Zhongke Wanlong Technology Co., Ltd, Beijing Weier Zhongdian Technology Co., Ltd, Beijing Sokman Power Technology Co., Ltd, Beijing Sokman Power Technology Co., Ltd, Beijing Sorenson 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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Shenzhen Sandun Power Technology Co., Ltd
Overall Score4.9 / 5
Est. Date2013-03-29
Registered Capital660K CNY

Shenzhen Sandun Power Technology Co., Ltd., with its registered address at A3005, Block A, B, and C, Qunxing Plaza, No. 2015 Hongli Road, Licun Community, Huaqiangbei Street, Futian District, Shenzhen. The registered authority is the Shenzhen Market Supervision Administration, and the legal representative is Wu Yanqiu. Its business scope includes the technical development and sales of power products, electronic products, battery products, inverters, computer products, and uninterruptible power supply equipment; Home repair of power products; Domestic commercial and material supply and marketing industry; (The above does not include restricted items and exclusive, controlled, or monopolized goods); Engage in import and export business (excluding projects prohibited by laws, administrative regulations, and decisions of the State Council, and projects restricted must obtain a license before operation)^. Core products: Three In Three Out Power Frequency Machine, Pv Controller, Energy Storage System

Top 2
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Ningbo Wensheng Intelligent Technology Co., Ltd
Overall Score4.7 / 5
Est. Date2017-12-07
Registered Capital3000K CNY

Ningbo Wensheng Intelligent Technology Co., Ltd., registered at Room 3-85, No. 1 Dayun Road, Jiaochuan Street, Zhenhai District, Ningbo City, Zhejiang Province (trustee 0071), registered with the Market Supervision Administration of Zhenhai District, Ningbo City, with Qu Jingwei as the legal representative. Its business scope includes general projects such as information system integration services; Network technology services; Industrial engineering design services; Engineering and technical research and experimental development; Software development; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Development of network and information security software; Import and export of goods; Technology import and export; Import and export agency; Digital cultural creative content application services; Literary and artistic creation; Wholesale of computer software, hardware, and auxiliary equipment; Retail of computer software, hardware, and auxiliary equipment; Wholesale of daily necessities; Sales of daily necessities; Needle textile sales; Wholesale of shoes and hats; Retail of shoes and hats; Wholesale of clothing and apparel; Clothing and apparel retail; Wholesale of stationery supplies; Retail of stationery supplies; Sales of office supplies; Battery sales; Sales of battery spare parts; Sales of refrigeration and air conditioning equipment; Sales of electronic vacuum devices; Sales of intelligent power transmission and distribution and control equipment; Wholesale of cosmetics; Retail of cosmetics; Retail of photographic equipment and telescopes; Luggage sales; Sales of leather products; Internet sales (except for the sale of goods that need to be licensed); (The above sales are limited to wholesale and online sales only) (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: Three In Three Out Power Frequency Machine, Santak, Axel Battery

Top 3
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Isdun Power Technology (Shanghai) Co., Ltd
Overall Score4.7 / 5
Est. Date2023-08-24
Registered Capital1000K CNY

Isdun Power Technology (Shanghai) Co., Ltd., registered at Building 4, Block J, No. 925 Yecheng Road, Jiading Industrial Zone, Shanghai, with the registration authority of Jiading District Market Supervision Administration and the legal representative being Li Xiuli. Its business scope includes general projects such as technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Battery sales; Sales of battery spare parts; Sales of electronic specialized materials; Wholesale of electronic components; Retail of electronic components; Sales of photovoltaic equipment and components; Sales of distribution switch control equipment; Sales of mechanical and electrical equipment; Sales of special equipment; Sales of specialized equipment for semiconductor devices; Sales of electronic components and electromechanical equipment; Sales of electric accessories for new energy vehicles; Sales of new energy vehicle battery swapping facilities; Sales of high-performance non-ferrous metals and alloy materials; Sales of mechanical equipment; Sales of electronic specialized equipment; Wholesale of automotive spare parts; Sales of motor vehicle charging; Sales of charging stations; Sales of production and testing equipment for new energy vehicles; Research and development of electronic specialized materials; Energy storage technology services; Research and development of energy recovery systems; Technology intermediary services; Environmental consulting services; Information consulting services (excluding licensed information consulting services); Research and development of emerging energy technologies; Research and development of new material technology; Research and development of distribution switch control equipment; Engineering and technical research and experimental development; Battery leasing; Rental of photovoltaic power generation equipment; Rental of charging control equipment; Centralized fast charging station; Import and export of goods; Technology import and export. (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: Three In Three Out Power Frequency Machine, Camel Battery, Shengyang Battery

TOP4
Zhonghong Shengda (Shaanxi) Electrical Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2023-02-03
Registered Capital10000K CNY

Zhonghong Shengda (Shaanxi) Electrical Technology Co., Ltd., with its registered address at No. 17, Building 1, 3rd Street, Hardware and Electrical A Zone, South China City, International Port Area, Xi'an City, Shaanxi Province, is registered with the Chanba International Port Branch (Port Area) of Xi'an Municipal Administration for Market Regulation. The legal representative is Yang Peike, and the business scope includes general projects such as technical services, technical development, technical consulting, technical exchanges, technology transfer, and technology promotion; Sales of electrical equipment; Battery leasing; Battery sales; Internet of Things technology services; Internet of Things application services; Sales of IoT devices; Research and development of Internet of Things technology; Software development; Sales of digital video surveillance systems; Solar power generation technology services; Graphic and textual design and production; Information consulting services (excluding licensed information consulting services); Sales of daily necessities; Sales of office supplies; Sales of office equipment; Sales of communication equipment; Sales of generators and generator sets; Sales of communication equipment; Sales of refrigeration and air conditioning equipment; Sales of building decoration materials; Advertising design and agency; Recycling of renewable resources (excluding productive waste metals); Import and export of goods; Technology import and export; Import and export agency. (In addition to the projects that need to be approved according to law, business activities shall be carried out independently according to law with the business license) Permitted projects: Internet information services; Installation, maintenance, and testing of power transmission, supply, and receiving facilities; 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. The specific business projects shall be subject to the approval results.). Core products: Three In Three Out Power Frequency Machine, Domestic Battery, Storage Battery

TOP5
Jinan Baiteli Power Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2019-08-22
Registered Capital1000K CNY

Jinan Baiteli Power Technology Co., Ltd. is located at Room 1303, Unit 1, Building 10, Greenland International Flower Capital Zone 2, Huaiyin District, Jinan City, Shandong Province. It was established on August 22, 2019, with the registration authority being the Huaiyin District Market Supervision Administration of Jinan City and the legal representative being Cui Jieyuan. Core products: Three In Three Out Power Frequency Machine

TOP6
Beijing Zhongke Wanlong Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2014-09-26
Registered Capital10000K CNY

Beijing Zhongke Wanlong Technology Co., Ltd., registered at Room 201, South Building, No.1 Xingqiao Street, Qiaozi Town, Huairou District, Beijing, registered with the Huairou Branch of the Beijing Administration for Industry and Commerce, with Ma Hongrui as the legal representative. Its business scope includes technology development, transfer, consulting, and services; Computer system services; Application software services; Selling computers, software and auxiliary equipment, electronic products, communication equipment (excluding satellite ground receiving and transmitting equipment), mechanical equipment, cultural goods, hardware and electrical equipment, daily necessities, handicrafts, and automotive spare parts. (Enterprises shall independently choose their business projects and carry out business activities in accordance with the law; for projects that require approval by law, they shall carry out business activities in accordance with the approved content after obtaining approval from relevant departments; they shall not engage in business activities prohibited or restricted by the industrial policies of this city.). Core products: Three In Three Out Power Frequency Machine, Yishite Ups, Golden Warrior Ups

TOP7
Beijing Weier Zhongdian Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2009-04-13
Registered Capital5000K CNY

Beijing Weier Zhongdian Technology Co., Ltd., with its registered address at 710, 7th floor, Building 2, No. 9 Lianqiao Second Street, Haidian District, Beijing. The registration authority is the Market Supervision Administration of Haidian District, Beijing, and the legal representative is Qian Ru. Its business scope includes technology promotion, technology development, technology services, technology consulting, and technology transfer; Selling computers, software and auxiliary equipment, metal materials, cultural goods, mechanical equipment, communication equipment, electronic products, sports equipment, self-developed products, non household refrigeration, air conditioning equipment, hardware and electrical equipment (excluding electric bicycles), mechanical equipment; Enterprise planning; Computer animation design; Economic and trade consulting; Computer system integration; Mechanical equipment rental (excluding car rental). (Enterprises shall independently choose their business projects and carry out business activities in accordance with the law; for projects that require approval by law, they shall carry out business activities in accordance with the approved content after obtaining approval from relevant departments; they shall not engage in business activities prohibited or restricted by the industrial policies of this city.). Core products: Three In Three Out Power Frequency Machine, Golden Warrior, Network Cabinet

TOP8
Beijing Sokman Power Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2021-02-25
Registered Capital5000K CNY

Beijing Sokman Power Technology Co., Ltd., with its registered address at 614, 6th floor, Building 5, No. 7 Anju Road, Changping District, Beijing, is registered with the Market Supervision Administration of Changping District, Beijing. The legal representative is Wang Guangcun, and its business scope includes technology development; Technical consultation; Technical exchange; Technology transfer; Technology promotion; Technical services; Software services; Software development; Enterprise management consulting; Undertake exhibition and display activities; Computer input and typing; Photography printing services; Organize cultural and artistic exchange activities (excluding commercial performances); Computer graphic design; Selling electronic devices, electronic components, mechanical equipment, metal materials, hardware and electrical equipment, chemical products (excluding hazardous chemicals), office supplies, daily necessities, arts and crafts, clothing, uninterruptible power supplies (UPS), sports equipment, and batteries. (Market entities shall independently choose their business projects and carry out business activities in accordance with the law; for projects that require approval by law, they shall carry out business activities in accordance with the approved content after approval by relevant departments; they shall not engage in business activities prohibited or restricted by national and local industrial policies.). Core products: Three In Three Out Power Frequency Machine, Xiandi Battery, Kehua

TOP9
Beijing Sokman Power Technology Co., Ltd
Overall Score4.4 / 5
Est. Date2021-02-25
Registered Capital5000K CNY

Beijing Sokman Power Technology Co., Ltd., with its registered address at 614, 6th floor, Building 5, No. 7 Anju Road, Changping District, Beijing, is registered with the Market Supervision Administration of Changping District, Beijing. The legal representative is Wang Guangcun, and its business scope includes technology development; Technical consultation; Technical exchange; Technology transfer; Technology promotion; Technical services; Software services; Software development; Enterprise management consulting; Undertake exhibition and display activities; Computer input and typing; Photography printing services; Organize cultural and artistic exchange activities (excluding commercial performances); Computer graphic design; Selling electronic devices, electronic components, mechanical equipment, metal materials, hardware and electrical equipment, chemical products (excluding hazardous chemicals), office supplies, daily necessities, arts and crafts, clothing, uninterruptible power supplies (UPS), sports equipment, and batteries. (Market entities shall independently choose their business projects and carry out business activities in accordance with the law; for projects that require approval by law, they shall carry out business activities in accordance with the approved content after approval by relevant departments; they shall not engage in business activities prohibited or restricted by national and local industrial policies.). Core products: Three In Three Out Power Frequency Machine, Data Center, Marine Power Supply Rack

TOP10
Beijing Sorenson Technology Co., Ltd
Overall Score4.4 / 5
Est. Date2014-09-18
Registered Capital500K CNY

Beijing Suoruisen Technology Co., Ltd., with its registered address at 1020, 10th floor, Building 2, Courtyard 3, Jinguan North Second Street, Shunyi District, Beijing, is registered with the Shunyi District Market Supervision Administration of Beijing, and its legal representative is Jia Huijie. Its business scope includes technology development and technical services; Retail computers, software and auxiliary equipment, communication equipment, electronic products, electronic components, hardware and electrical equipment, instruments and meters, automotive parts; Import and export of goods and technology. (Market entities shall independently choose their business projects and carry out business activities in accordance with the law; for projects that require approval by law, they shall carry out business activities in accordance with the approved content after approval by relevant departments; they shall not engage in business activities prohibited or restricted by national and local industrial policies.). Core products: Three In Three Out Power Frequency Machine, Songnick, Geldeka

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Shenzhen Sandun Power Technology Co., Ltd2013-03-29Three In Three Out Power Frequency Machine, Pv Controller, Energy Storage System660K CNYNot Supported
Ningbo Wensheng Intelligent Technology Co., Ltd2017-12-07Three In Three Out Power Frequency Machine, Santak, Axel Battery3000K CNYNot Supported
Isdun Power Technology (Shanghai) Co., Ltd2023-08-24Three In Three Out Power Frequency Machine, Camel Battery, Shengyang Battery1000K CNYNot Supported
Zhonghong Shengda (Shaanxi) Electrical Technology Co., Ltd2023-02-03Three In Three Out Power Frequency Machine, Domestic Battery, Storage Battery10000K CNYNot Supported
Jinan Baiteli Power Technology Co., Ltd2019-08-22Three In Three Out Power Frequency Machine1000K CNYNot Supported
Beijing Zhongke Wanlong Technology Co., Ltd2014-09-26Three In Three Out Power Frequency Machine, Yishite Ups, Golden Warrior Ups10000K CNYNot Supported
Beijing Weier Zhongdian Technology Co., Ltd2009-04-13Three In Three Out Power Frequency Machine, Golden Warrior, Network Cabinet5000K CNYSupported
Beijing Sokman Power Technology Co., Ltd2021-02-25Three In Three Out Power Frequency Machine, Xiandi Battery, Kehua5000K CNYNot Supported
Beijing Sokman Power Technology Co., Ltd2021-02-25Three In Three Out Power Frequency Machine, Data Center, Marine Power Supply Rack5000K CNYNot Supported
Beijing Sorenson Technology Co., Ltd2014-09-18Three In Three Out Power Frequency Machine, Songnick, Geldeka500K CNYNot Supported

Purchasing Guide

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

  • For procurement requirements that require the use of three in three out power frequency machines, it is recommended to prioritize checking key technical parameters such as input and output voltage ranges and frequency stability to ensure compatibility with existing power systems, especially suitable for scenarios such as data centers and medical equipment that require high power continuity.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and companies with industry data support or platform statistical information. Such suppliers can usually provide more stable equipment supply and technical support.
  • When applying three in three out power frequency machines in the industrial manufacturing field, attention should be paid to their load capacity and heat dissipation design to adapt to long-term high load operating environments and avoid affecting equipment life due to overheating.
  • During the procurement process, it is recommended to evaluate the redundancy design of power frequency machines based on different scenario requirements, such as dual conversion mode or bypass function, which are particularly important in areas with frequent power fluctuations.

Knowledge Base

Q

Kehua YTG3320 is a power frequency online UPS with a rated capacity of 20KVA/18KW, adopting a three in three out architecture and built-in output isolation transformer. It belongs to the YTG series of medium power models, originating from the same school as the previously discussed YTG3330 (30KVA), specifically designed for the need for three-phase power supply guarantee and requirements for power supply quality and shock resistance

Q

The Shangyu GP3315K is a 15kVA/12kW three in three out online power frequency UPS, belonging to the GP33 series. Its most prominent feature is the standard output isolation transformer, which distinguishes it from common high-frequency machines and is particularly suitable for industrial environments, data centers, and critical loads that require extremely high power reliability. Overview of Core Parameters root

Q

Baidu AiGou has found pictures related to different categories of three in three out power frequency machines for you, taking you to appreciate the diversity and uniqueness of three in three out power frequency machines. At the same time, we also recommend high-quality three in three out power frequency machines for you, so that you can easily and quickly find the most suitable three in three out power frequency machine for yourself when purchasing.

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