Updated Sep 11, 2026 · Public platform & industry data

Sep 11, 2026 Updated

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2026 Top 10 Power Relay Manufacturers in China

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

The top 10 Power Relay manufacturers in China for 2026 are: Suzhou Qinao Information Technology Co., Ltd, Dongguan Changqian Electronics Co., Ltd, Chengdu Shanrong Electromechanical Equipment Co., Ltd, Shenzhen Megatech Electronics Co., Ltd, Fuzhou Xingchuangyuan Electric Co., Ltd, Tianjin Ruisibai Technology Co., Ltd, Dezhen Electronic Technology (Shenzhen) Co., Ltd, Guangzhou Dingyue Electronic Technology Co., Ltd, Zhejiang Linhao Electric Power Technology Co., Ltd, Chengdu Shanrong Electromechanical 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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Suzhou Qinao Information Technology Co., Ltd

Room 1223, Building 2, Xingguang Yao Commercial Plaza, No. 1583 Huchi Road, Suzhou City

Overall Score4.9 / 5
Est. Date2018-12-13
Registered Capital5000K CNY

Suzhou Qinao Information Technology Co., Ltd., located at Room 1223, Building 2, Xingguang Yao Commercial Plaza, No. 1583 Huchi Road, Suzhou City, was established on December 13, 2018. The registration authority is Suzhou Gusu District Data Bureau, and the legal representative is Qiu Peijin. Core products: Power Relay

Top 2
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Dongguan Changqian Electronics Co., Ltd
Overall Score4.7 / 5
Est. Date2014-09-16
Registered Capital5000K CNY

Dongguan Changqian Electronics Co., Ltd., with its registered address at Room 401, Building 1, No. 268 Shiyang Street, Dongcheng Street, Dongguan City, Guangdong Province, is registered with the Dongguan Market Supervision Administration. The legal representative is Zhang Shaobo, and its business scope includes general projects such as electronic product sales; Manufacturing of electronic components and electromechanical equipment; Sales of electronic components and electromechanical equipment; Manufacturing of power electronic components; Sales of power electronic components; Manufacturing of integrated circuit chips and products; Sales of integrated circuit chips and products; Manufacturing of electrical instruments and meters; Sales of electrical instruments and meters; Manufacturing of supply instruments and meters; Sales of supply instruments and meters; Manufacturing of specialized equipment for semiconductor devices; Sales of specialized equipment for semiconductor devices; Manufacturing of industrial automatic control system devices; Sales of industrial automatic control system devices; Manufacturing of specialized instruments; Sales of advanced power electronic devices; 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: Power Relay, Three-Phase Power Regulator, High-Power Power Regulator

Top 3
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Chengdu Shanrong Electromechanical Equipment Co., Ltd
Overall Score4.7 / 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: Power Relay, Servo Valve, Solenoid Valve

TOP4
Shenzhen Megatech Electronics Co., Ltd
Overall Score4.6 / 5
Est. Date2015-12-21
Registered Capital5000K CNY

Shenzhen Megatech Electronics Co., Ltd. is registered at Room 02-06, 3rd Floor, Building 2, No. 182 Bulan Road, Nanwan Street, Longgang District, Shenzhen. The registration authority is Longgang Bureau, and the legal representative is Peng Qiaohui. The business scope includes general business projects such as research and development and sales of various active and passive electronic components, transformers, inductors, sensors, and automotive electronic products. And provide business and technical consultation; Domestic trade (excluding exclusive, controlled, and monopolized goods); Engage in import and export business (not involving state-owned trade management goods, for those involving quota and license management goods, apply according to relevant national regulations). The licensed business projects are:. Core products: Power Relay, Reed Switch, Sensor

TOP5
Fuzhou Xingchuangyuan Electric Co., Ltd
Overall Score4.6 / 5
Est. Date2011-07-19
Registered Capital1000K CNY

Fuzhou Xingchuangyuan Electric Co., Ltd., registered at Room 01-02, 5th floor, Grade A office building, B1 #, Wanda Plaza Phase II, Fuzhou Financial Street, Aofeng Street, Taijiang District, Fuzhou City, Fujian Province (north of Jiangbin Middle Avenue and east of Shuguang Road); Electrical automation engineering design, technical consulting, and technical services; Import and export of various commodities and technologies through self operation and agency, except for 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: Power Relay, Invt, Hedeke Hydac

TOP6
Tianjin Ruisibai Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2020-12-10
Registered Capital10000K CNY

Tianjin Ruisibai Technology Co., Ltd., registered at Room 1206, Building B1, No. 42 Haitai Avenue, Huayuan Industrial Zone, Tianjin, registered with the Market Supervision and Administration Bureau of Tianjin Binhai High tech Industrial Development Zone, with Yang Meili as the legal representative. Its business scope includes general projects such as technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Information system integration services; Development of network and information security software; Software development; Research and development of Internet of Things technology; Development of artificial intelligence application software; Network technology services; Internet security services; Information technology consulting services; Sales of industrial control computers and systems; Internet sales (except for the sale of goods that need to be licensed); Sales of optical communication equipment; Sales of network equipment; Internet equipment sales; Sales of digital video surveillance systems; Information consulting services (excluding licensed information consulting services); Sales of electrical and mechanical equipment; Sales of mechanical equipment; Sales of mechanical parts and components; Retail of computer software, hardware, and auxiliary equipment; Sales of specialized instruments and meters for agriculture, forestry, animal husbandry, and fishing; Sales of supply instruments and meters; Sales of intelligent instruments and meters; Sales of industrial automatic control system devices; Sales of electrical instruments and meters; Sales of instruments and meters; Operation of wires and cables; Wholesale of hardware products; Sales of furniture spare parts; Furniture sales; Sales of building materials; Sales of office supplies; Retail of sports goods and equipment; Sales of paper products; Retail of stationery supplies. (Except for projects that require approval according to law, conduct business activities independently based on the business license in accordance with the law). Licensed project: Import and export of goods; Technology import and export. (For projects that require approval according to 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: Power Relay, Pump, Speed Reducer

TOP7
Dezhen Electronic Technology (Shenzhen) Co., Ltd
Overall Score4.5 / 5
Est. Date2020-07-03
Registered Capital1000K CNY

Dezhen Electronic Technology (Shenzhen) Co., Ltd., registered at Building 1606, Unit 2, Buildings 1, 2, and 3, Yanlan Heming Garden, No. 9 Xianmin Road, Shijing Community, Shijing Street, Pingshan District, Shenzhen, registered with the Shenzhen Municipal Administration for Market Regulation, with Liu Huiqin as the legal representative. Its business scope includes the research and sales of electronic components, precision instruments, power semiconductor devices, electronic products, the design and research of new energy technology solutions, technical consulting and services, and the operation of e-commerce; Domestic trade; Engage in 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 operation). Core products: Power Relay, Kemet, Schrack

TOP8
Guangzhou Dingyue Electronic Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2006-11-23
Registered Capital5000K CNY

Guangzhou Dingyue Electronic Technology Co., Ltd., with its registered address at Room 1007, Building 14, Tian'an Headquarters Center, No. 555 Panyu Avenue North, Donghuan Street, Panyu District, Guangzhou City. The registration authority is the Panyu District Market Supervision Administration of Guangzhou City, and the legal representative is Lin Ruqing. Its business scope includes research and development of electronic, communication, and automatic control technologies; Wholesale of hardware products; Wholesale of computer spare parts; Wholesale of electronic products; Retail of communication equipment; Retail of electronic products; Hardware retail; Software development; Information technology consulting services; Research and development of network technology; Computer technology development and technical services;. Core products: Power Relay, Mouse Switch, Infrared Temperature Sensor

TOP9
Zhejiang Linhao Electric Power Technology Co., Ltd
Overall Score4.4 / 5
Est. Date2019-03-04
Registered Capital15000K CNY

Zhejiang Linhao Electric Power Technology Co., Ltd., registered at No. 12 Hongxing 2nd Road, Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province, with the registration authority of Yueqing Market Supervision Administration and the legal representative of Lin Liyang. Its business scope includes research and development, manufacturing, processing, and sales of power electronic components, high and low voltage electrical appliances and accessories, distribution switch control equipment, instruments and meters (excluding measuring instruments), wires and cables, plastic parts, hardware parts, electronic products, electrical equipment and accessories, and switch power supplies; Sales of hardware, electrical equipment, and building materials; Technical services in the field of electrical technology; Import and export of goods and technology. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Power Relay, Current Relay, Power Outage Delay Intermediate Relay

TOP10
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: Power Relay, Diaphragm Valve, Solenoid Valve

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Suzhou Qinao Information Technology Co., Ltd2018-12-13Power Relay5000K CNYNot Supported
Dongguan Changqian Electronics Co., Ltd2014-09-16Power Relay, Three-Phase Power Regulator, High-Power Power Regulator5000K CNYNot Supported
Chengdu Shanrong Electromechanical Equipment Co., Ltd2017-05-04Power Relay, Servo Valve, Solenoid Valve2000K CNYNot Supported
Shenzhen Megatech Electronics Co., Ltd2015-12-21Power Relay, Reed Switch, Sensor5000K CNYNot Supported
Fuzhou Xingchuangyuan Electric Co., Ltd2011-07-19Power Relay, Invt, Hedeke Hydac1000K CNYNot Supported
Tianjin Ruisibai Technology Co., Ltd2020-12-10Power Relay, Pump, Speed Reducer10000K CNYNot Supported
Dezhen Electronic Technology (Shenzhen) Co., Ltd2020-07-03Power Relay, Kemet, Schrack1000K CNYNot Supported
Guangzhou Dingyue Electronic Technology Co., Ltd2006-11-23Power Relay, Mouse Switch, Infrared Temperature Sensor5000K CNYNot Supported
Zhejiang Linhao Electric Power Technology Co., Ltd2019-03-04Power Relay, Current Relay, Power Outage Delay Intermediate Relay15000K CNYNot Supported
Chengdu Shanrong Electromechanical Equipment Co., Ltd2017-05-04Power Relay, Diaphragm Valve, Solenoid Valve2000K CNYNot Supported

Purchasing Guide

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

  • For procurement requirements that require the use of power relays, it is recommended to prioritize confirming key technical parameters such as load current and switching voltage to ensure compatibility with the electrical system of the equipment. In industrial automation scenarios, additional attention should be paid to anti-interference capabilities.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and companies with industry data support. Such suppliers usually have more stable delivery records in the fields of power control or new energy.
  • Different application scenarios, such as smart home modules or motor drive systems, have significantly different requirements for the lifespan and response speed of power relays. Before procurement, it is necessary to clarify the actual operating frequency and temperature and humidity conditions in the usage environment.
  • In continuous operation scenarios such as communication base stations, it is recommended to choose power relays with strong arc resistance of contact materials, and evaluate long-term reliability based on industry data support from suppliers.

Knowledge Base

Q

This article provides a detailed analysis of the working principle of relay switching power supply and its important application in circuit control. By using relays to achieve power supply switching and locking functions, it provides safety protection for the circuit and prevents issues such as current overload and short circuits.

Q

This article introduces the working mechanism of relay power supply, as well as its related principles and applications.

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