Updated May 25, 2026 · Public platform & industry data

May 25, 2026 Updated

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2026 Top 10 Solid State Relay Manufacturers in China

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

The top 10 Solid State Relay manufacturers in China for 2026 are: Wenzhou Longqi Electric Co., Ltd, Quanzhou Shuoshenghong Trading Co., Ltd, Zhongshan Nuodi Machinery Equipment Co., Ltd, Shenzhen Zhongxin Microelectronics Co., Ltd, Shenzhen Jinmu Electronics Co., Ltd, Qingdao Yuxing Automation Co., Ltd, Yidexun Electromechanical (Kunshan) Co., Ltd, Shenzhen Xinsihui Technology Co., Ltd, Shantou Wanxinda Electric Co., Ltd, Xiamen Hongtai Electric 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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Wenzhou Longqi Electric Co., Ltd
Overall Score4.9 / 5
Est. Date2023-02-24
Registered Capital5000K CNY

Wenzhou Longqi Electric Co., Ltd., with its registered address in Xinqiao Village, Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province, is registered with the Yueqing Market Supervision Administration. The legal representative is Chen Zhixiang, and the business scope includes general projects: manufacturing of distribution switch control equipment; Sales of distribution switch control equipment; Manufacturing of power transmission, distribution and control equipment; Sales of intelligent power transmission and distribution and control equipment; Manufacturing of mechanical and electrical equipment; Sales of mechanical and electrical equipment; Rolling and processing of non-ferrous metals; Manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); Sales of valves and plugs; Operation of wires and cables; Manufacturing of electronic components; Wholesale of electronic components; Manufacturing of power electronic components; Sales of power electronic components; Manufacturing of industrial automatic control system devices; Sales of industrial automatic control system devices; Manufacturing of instruments and meters; Sales of instruments and meters; Manufacturing of hardware products; Wholesale of hardware products; Internet sales (except for the sale of goods that need permission) (except for items that need approval according to law, business activities shall be carried out independently according to law with the business license).. Core products: Solid State Relay, Schneider Button Indicator Light, Pcl Module

Top 2
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Quanzhou Shuoshenghong Trading Co., Ltd
Overall Score4.7 / 5
Est. Date2020-12-01
Registered Capital500K CNY

Quanzhou Shuoshenghong Trading Co., Ltd., with its registered address at Room 1402, Building 12, Jinxiu Jiangnan, No. 2 Detai Road, Quanzhou Economic and Technological Development Zone, Fujian Province. The registration authority is the Quanzhou Economic and Technological Development Zone Branch of the Quanzhou Market Supervision Administration, and the legal representative is Zeng Yuneng. Its business scope includes general projects such as sales of special equipment; Sales of mechanical equipment; Sales of hydraulic power machinery and components; Sales of pumps and vacuum equipment; Wholesale of automotive spare parts; Retail of automotive spare parts; Sales agent; Electronic product sales; Sales of instruments and meters (except for projects that require approval according to law, business activities can be carried out independently with a business license in accordance with the law) License items: 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. Specific business projects are subject to the approval documents or licenses issued by relevant departments). Core products: Solid State Relay, Power Supply, Load Cell

Top 3
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Zhongshan Nuodi Machinery Equipment Co., Ltd
Overall Score4.7 / 5
Est. Date2015-10-26
Registered Capital1000K CNY

Zhongshan Nuodi Machinery Equipment Co., Ltd., with its registered address at Room 216, 2nd Floor, Comprehensive Office Building, No. 228 Min'an South Road, Jidongyi Community, Xiaolan Town, Zhongshan City. The registration authority is Zhongshan Market Supervision Administration Bureau, and the legal representative is Zheng Junhua. Its business scope includes general projects: manufacturing of mechanical and electrical equipment; Sales of mechanical equipment; Mechanical parts and component processing; Sales of mechanical parts and components; Manufacturing of electrical instruments and meters; Electronic product sales; Sales of electrical instruments and meters; Wholesale of electronic components; Retail of electronic components; Sales of lighting fixtures; Sales of electrical equipment; Sales of petroleum products (excluding hazardous chemicals); Sales of plastic products; Wholesale of hardware products; Wholesale of automotive spare parts; Sales of lubricating oil; Sales of chemical products (excluding licensed chemical products); Operation of wires and cables; Sales of special equipment; Sales of hydraulic power machinery and components; Sales of advanced power electronic devices; Sales of high-performance sealing materials; Sales of valves and plugs; Sales of new energy original equipment; Sales of firefighting equipment; Sales of mining machinery; Sales of pumps and vacuum equipment; Sales of communication equipment; Sales of industrial automatic control system devices; Sales of bearings, gears, and transmission components; Sales of metal products; Sales of paper products; Packaging services; Sales of packaging materials and products; Sales of food additives; Sales of Class I medical devices; Sales of specialized chemical products (excluding hazardous chemicals); Sales of refrigeration and air conditioning equipment; Sales of ovens, furnaces, and electric furnaces; Sales of electric food processing equipment; Sales of air transportation equipment; Sales of office supplies; Sales of specialized packaging equipment; Sales of industrial robots; Battery sales; Sales of daily necessities; Sales of coatings (excluding hazardous chemicals); Sales of labor protection equipment; Sales of security equipment; Mold sales; Sales of specialized equipment for semiconductor devices; Wholesale of kitchenware, sanitary ware, and daily necessities; Wholesale of sports goods and equipment; Sales of Class II medical devices; Sales of experimental analytical instruments; External contracting projects; Ship sales; Sales of specialized equipment for oil drilling and production; Sales of marine engineering equipment; Sales of gas and liquid separation and purification equipment; Development of network and information security software; Sales of IoT devices; Design and construction services for security technology prevention systems; Software development; Information system integration services; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Information consulting services (excluding licensed information consulting services); Software sales; Sales of electrical signal equipment devices; Domestic freight forwarding agent; Import and export of goods; Technology import and export; Sales of office equipment and consumables; Sales of daily chemical products; Sales of instruments and meters; Sales of metal chains and other metal products. The above business scope involves: import and export of goods or technologies (excluding goods and technologies prohibited by the state or subject to administrative approval). (Except for projects that require approval by law, business activities can be carried out independently based on the business license.) Licensed projects: installation, renovation, and repair of special equipment; Food sales; Electrical installation services. (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: Solid State Relay, Dispensing Valve, Controller

TOP4
Shenzhen Zhongxin Microelectronics Co., Ltd
Overall Score4.6 / 5
Est. Date2017-11-12
Registered Capital1000K CNY

Shenzhen Zhongxin Microelectronics Co., Ltd., registered at 2218 Dingcheng International Building, No. 7 Zhonghang Road, Huahang Community, Huaqiangbei Street, Futian District, Shenzhen, with the registration authority of Shenzhen Market Supervision Administration and the legal representative of Chen Shaogeng, engages in the purchase and sale of electronic components, electronic products, computers and computer peripherals, digital products, household appliances, mobile phones and accessories, security products, photography products, communication equipment and peripherals; 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 they can be operated)^. Core products: Solid State Relay, Digital-To-Analog Converter, Trigger

TOP5
Shenzhen Jinmu Electronics Co., Ltd
Overall Score4.6 / 5
Est. Date2012-11-19
Registered Capital500K CNY

Shenzhen Jinmu Electronics Co., Ltd., with its registered address at 4th Floor, Building 2, Youshi Industrial Zone, No. 276 Baoshi East Road, Shuitian Community, Shiyan Street, Bao'an District, Shenzhen. The registration authority is Bao'an Bureau, and the legal representative is Feng Haigang. Its business scope includes general business projects such as research and development and sales of electronic products; Sales of pneumatic components, power equipment, instruments and meters, computers and peripheral equipment, hardware and electrical appliances, wires and cables; Domestic trade, import and export of goods and technology. (The above does not include projects that require approval before registration as stipulated by laws, administrative regulations, and decisions of the State Council for the recycling and operation of renewable resources.) What are the licensed business projects. Core products: Solid State Relay, Ultrasonic Sensor , Door Contact Switch

TOP6
Qingdao Yuxing Automation Co., Ltd
Overall Score4.5 / 5
Est. Date2013-10-14
Registered Capital500K CNY

Qingdao Yuxing Automation Co., Ltd., registered at 817 International Business Port, No. 196 Zhengyang Road, Chengyang District, Qingdao City, Shandong Province, registered with the Market Supervision and Administration Bureau of Chengyang District, Qingdao City. The legal representative is Guan Ling, and the business scope includes general business projects: sales of automation control equipment, computers and their accessories, communication equipment, hardware and electrical equipment, electronic products, general mechanical equipment, instruments and meters; Computer technology development, technology services, technology promotion, and technology transfer. (If the above scope requires a license for operation, it must be operated with a license.).. Core products: Solid State Relay, Idec And Izumi, Temperature Controller/Temperature Control Module

TOP7
Yidexun Electromechanical (Kunshan) Co., Ltd
Overall Score4.5 / 5
Est. Date2021-06-03
Registered Capital10000K CNY

Yidexun Electromechanical (Kunshan) Co., Ltd., registered at Room 2101-16, 21st Floor, Dibao Financial Building, No. 168 Chunxu Road, Kunshan Development Zone, registered with Kunshan Data Bureau, with Xu Xinglong as the legal representative. Its business scope includes licensed projects: various engineering construction activities (projects that require approval by law can only be carried out after approval by relevant departments, and specific business projects are subject to approval results), general projects: sales of mechanical and electrical equipment; Sales of mechanical equipment; Sales of mechanical parts and components; Sales of power electronic components; Wholesale of electronic components; Sales of refrigeration and air conditioning equipment; Sales of instruments and meters; Sales of industrial automatic control system devices; Sales of power facilities and equipment; Operation of wires and cables; Sales of lighting fixtures; Sales of rubber products; Sales of labor protection equipment; Sales of office supplies; Sales of pneumatic power machinery and components; Sales of hydraulic power machinery and components; Sales of metal materials; Wholesale of hardware products; Sales of pipeline transportation equipment; Sales of lubricating oil; Sales of fasteners; Sales of pumps and vacuum equipment; Retail of cosmetics; Sales of daily necessities; Furniture sales; Sales of communication equipment; Retail of computer software, hardware, and auxiliary equipment; Sales of building materials; Sales of fire-fighting equipment (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: Solid State Relay, Handle Lock, Mr-J4-70A Servo Drive Model

TOP8
Shenzhen Xinsihui Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2008-11-19
Registered Capital5000K CNY

Shenzhen Xinsihui Technology Co., Ltd., with its registered address at 1403, Haigan Huanqing Building, No. 24 Futian Road, Weizhen Community, Futian Street, Futian District, Shenzhen. The registration authority is the Futian Supervision Bureau of the Shenzhen Market Supervision Administration, and the legal representative is Zhu Huayu. Its business scope includes the technical development and sales of electronic products and computer software, as well as domestic trade (excluding exclusive, controlled, and monopolized goods); Operating 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: Solid State Relay, 10At090s2f45e2sg, Pdf

TOP9
Shantou Wanxinda Electric Co., Ltd
Overall Score4.3 / 5
Est. Date2014-11-14
Registered Capital1000K CNY

Shantou Wanxinda Electric Co., Ltd., registered at Room 02, Building 2, Caesar Industrial City, No. 3 Zhujin 1st Street, Zhujin Industrial Zone, Longhu District, Shantou City, with the registration authority of Shantou Market Supervision Administration and the legal representative of Lin Junjie, is engaged in the sales of mechanical equipment and accessories, pneumatic and hydraulic accessories, electronic products, electronic components, automation instruments and meters, industrial automation equipment, hardware and electrical equipment, metal materials, packaging materials, paper and paper products; Design and commissioning of complete control systems for industrial electrical automation. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Solid State Relay, Junction Box, Light Curtain Grating Sensor

TOP10
Xiamen Hongtai Electric Co., Ltd
Overall Score4.3 / 5
Est. Date2023-07-12
Registered Capital5000K CNY

Xiamen Hongtai Electric Co., Ltd., registered at Room 1103, No. 25 Xiangbei Erli, Xiang'an District, Xiamen City, registered with the Market Supervision and Administration Bureau of Xiang'an District, Xiamen City, with Yan Zhihuo as the legal representative. Its business scope includes general projects: sales of electrical equipment; Manufacturing of electrical signal equipment devices; Electrical equipment repair; Sales of electrical signal equipment devices; Research and development of household appliances; Manufacturing of distribution switch control equipment; Sales of distribution switch control equipment; Research and development of distribution switch control equipment; Retail of hardware products; Sales of water quality pollutant monitoring and detection instruments and meters; Sales of specialized instruments and meters for agriculture, forestry, animal husbandry, and fishing; Sales of electrical instruments and meters; Sales of specialized instruments and meters for environmental monitoring; Sales of instruments and meters; Sales of intelligent instruments and meters; Manufacturing of electrical instruments and meters; Manufacturing of specialized instruments and meters for environmental monitoring; Sales of environmental emergency detection instruments and meters; Electronic product sales; Wholesale of electronic components; Retail of electronic components; Sales of capacitors and their supporting equipment; Manufacturing of capacitors and their supporting equipment; Sales of mechanical and electrical equipment; Manufacturing of mechanical and electrical equipment; Sales of household appliances; Sales of power electronic components; Home appliance installation services; Manufacturing of power electronic components; Sales of optoelectronic devices; Manufacturing of optoelectronic devices; Sales of electronic vacuum devices; Sales of electronic measuring instruments; Sales of integrated circuit chips and products; Sales of display devices; Sales of photovoltaic equipment and components; Sales of electronic components and electromechanical equipment; Sales of electronic specialized equipment; Sales of electronic specialized materials. (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: Solid State Relay, Baruff Proximity Switch, Emerson

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Wenzhou Longqi Electric Co., Ltd2023-02-24Solid State Relay, Schneider Button Indicator Light, Pcl Module5000K CNYNot Supported
Quanzhou Shuoshenghong Trading Co., Ltd2020-12-01Solid State Relay, Power Supply, Load Cell500K CNYSupported
Zhongshan Nuodi Machinery Equipment Co., Ltd2015-10-26Solid State Relay, Dispensing Valve, Controller1000K CNYNot Supported
Shenzhen Zhongxin Microelectronics Co., Ltd2017-11-12Solid State Relay, Digital-To-Analog Converter, Trigger1000K CNYNot Supported
Shenzhen Jinmu Electronics Co., Ltd2012-11-19Solid State Relay, Ultrasonic Sensor , Door Contact Switch500K CNYNot Supported
Qingdao Yuxing Automation Co., Ltd2013-10-14Solid State Relay, Idec And Izumi, Temperature Controller/Temperature Control Module500K CNYNot Supported
Yidexun Electromechanical (Kunshan) Co., Ltd2021-06-03Solid State Relay, Handle Lock, Mr-J4-70A Servo Drive Model10000K CNYNot Supported
Shenzhen Xinsihui Technology Co., Ltd2008-11-19Solid State Relay, 10At090s2f45e2sg, Pdf5000K CNYNot Supported
Shantou Wanxinda Electric Co., Ltd2014-11-14Solid State Relay, Junction Box, Light Curtain Grating Sensor1000K CNYNot Supported
Xiamen Hongtai Electric Co., Ltd2023-07-12Solid State Relay, Baruff Proximity Switch, Emerson5000K CNYNot Supported

Purchasing Guide

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

  • For procurement requirements that require the use of solid-state relays, it is recommended to prioritize confirming key technical parameters such as load current, voltage range, and switching frequency to ensure compatibility with the equipment.
  • In high-frequency switch scenarios such as industrial automation or temperature control systems, it is recommended to choose solid-state relays with anti-interference design and optimized heat dissipation to enhance long-term stability.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and enterprises with industry data support or platform statistical information.
  • When purchasing solid-state relays, it is important to distinguish between AC and DC models to avoid performance abnormalities or damage caused by mismatched circuit types.

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