Updated Sep 2, 2026 · Public platform & industry data

Sep 2, 2026 Updated

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2026 Top 10 Relay Manufacturers in China Shandong

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

The top 10 Relay manufacturers in Shandong for 2026 are: Zhongyi Intelligent Equipment Co., Ltd, Weihai Jingxun Tongtong Electronic Technology Co., Ltd, Beiken Information Technology (Jining) Co., Ltd, Qingdao Jianyong Pneumatic Hydraulic Co., Ltd, Qingdao Pingshan Technical Research International Trade Co., Ltd, Qingdao Aohaiyuan International Trade Co., Ltd, Jinan Youtian Machinery Equipment Co., Ltd, Shandong Duobei Electromechanical Equipment Co., Ltd, Weihai Jingxun Tongdao Electronic Technology Co., Ltd. Jinan Branch, Qingdao Dekelai Trading 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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Zhongyi Intelligent Equipment Co., Ltd
Overall Score4.9 / 5
Est. Date2020-06-15
Registered Capital50000K CNY

Zhongyi Intelligent Equipment Co., Ltd., with its registered address at No. 0307, B8, Bo Guan Yun Zhu Dong, Jinyu Road, Xianying Street, Rencheng District, Jining City, Shandong Province, is registered with the Market Supervision Administration of Rencheng District, Jining City. The legal representative is Han Genshun, and its business scope includes general projects such as mechanical equipment research and development; Sales of construction machinery; Mining machinery manufacturing; Sales of mechanical equipment; Sales of mining machinery; Manufacturing of construction machinery; Sales of intelligent agricultural machinery and equipment; Manufacturing of mechanical and electrical equipment; Sales of mechanical and electrical equipment; Sales of electrical equipment; Sales of mechanical parts and components; Sales of specialized equipment for environmental protection; Mechanical parts and component processing; Technology import and export; Import and export of goods. (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: Relay, Other Mining Machinery And Equipment, Mechanical Parts

Top 2
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Weihai Jingxun Tongtong Electronic Technology Co., Ltd
Overall Score4.8 / 5
Est. Date2015-11-03
Registered Capital20000K CNY

Weihai Jingxun Tongtong Electronic Technology Co., Ltd., with its registered address at 221-1 Huoju Road, Huoju High tech Industrial Development Zone, Weihai City, Shandong Province, is registered with the Market Supervision and Administration Bureau of Weihai Huoju High tech Industrial Development Zone. The legal representative is Wang Xiang, and the business scope includes general projects: manufacturing of environmental monitoring specialized instruments and meters; Manufacturing of atmospheric pollution monitoring and detection instruments and meters; Manufacturing of digital video surveillance systems; Manufacturing of computer software, hardware, and peripheral devices; Manufacturing of instruments and meters; Instrument and meter repair; Sales of instruments and meters; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of water quality pollutant monitoring and detection instruments and meters; Design and construction services for security technology prevention systems; Internet of Things technology services; Research and development of Internet of Things technology; Sales of IoT devices; Industrial Internet data service; Installation services for ordinary mechanical equipment; Software development; Import and export of goods; Technology import and export; Integrated circuit design; Integrated circuit manufacturing; Information system integration services; Intelligent control system integration; Manufacturing of communication equipment; Irrigation services; Water related consulting services; Manufacturing of photovoltaic equipment and components; Sales of photovoltaic equipment and components; Manufacturing of plastic products; Sales of plastic products; Agricultural machinery services; Sales of agricultural machinery; Agricultural machinery manufacturing; Manufacturing of specialized machinery for agriculture, forestry, animal husbandry, and fisheries; Installation and maintenance of specialized machinery for agriculture, forestry, animal husbandry, and fisheries; Sales of specialized machinery for agriculture, forestry, animal husbandry, animal husbandry, and fisheries; Manufacturing of agricultural, forestry, animal husbandry and fishery machinery accessories; Motor manufacturing; Manufacturing of generators and generator sets; Manufacturing of electric motors; Manufacturing of transformers, rectifiers, and inductors; Manufacturing of distribution switch control equipment; Manufacturing of power electronic components; Manufacturing of intelligent unmanned aerial vehicles; Manufacturing of optical instruments; Sales of optical instruments; Intelligent agricultural management; Manufacturing of IoT devices; Manufacturing of mobile communication devices; Manufacturing of terminal measuring equipment; Fertilizer sales; Fertilizer sales; Research and development of bio organic fertilizers; Research and development of technology for the harmless utilization of agricultural and forestry waste resources. (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) Licensed project: construction project construction; 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: Relay, Bright Kitchen And Stove Solution, Pipeline Gas Detector/Sensor

Top 3
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Beiken Information Technology (Jining) Co., Ltd
Overall Score4.8 / 5
Est. Date2022-02-25
Registered Capital1000K CNY

Beiken Information Technology (Jining) Co., Ltd., with its registered address at Room 1004, 10th Floor, Unit 01, Suning Life Plaza, Fuqiao 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 Xiao Xuerui, and the business scope includes general projects such as Internet of Things technology services; Sales of IoT devices; Research and development of Internet of Things technology; Internet of Things application services; Internet sales (except for the sale of goods that need to be licensed); Sales of artificial intelligence hardware; Sales of production and testing equipment for new energy vehicles; Sales of CNC machine tools; Sales of mechanical equipment; Sales of maternal and child products; Sales of toys, anime, and entertainment products; Retail of sports goods and equipment; Wholesale of sports goods and equipment; Sales of gaming supplies and indoor gaming equipment; Wholesale of pet food and supplies; Retail of pet food and supplies; Pet sales; Outdoor product sales; Sales of security equipment; Sales of firefighting equipment; Sales of mining machinery; Sales of mechanical parts and components; Sales of pumps and vacuum equipment; Sales of bearings, gears, and transmission components; Wholesale of hardware products; Wholesale of bicycles and spare parts; Sales of electrical accessories; Sales of hydraulic power machinery and components; Sales of metal forming machine tools; Sales of pneumatic power machinery and components; Sales of additive manufacturing equipment; Sales of automotive decorative products; Sales of industrial textile products; Sales of metal fittings for construction; Retail of automotive spare parts; Retail of hardware products; Sales of material handling equipment; Sales of power electronic components; Sales of amusement and entertainment products; Sales of machine tool functional components and accessories; Sales of intelligent warehousing equipment; Sales of construction machinery; Sales of specialized equipment for plastic processing; Sales of plastic products; Pigment sales; Sales of electronic specialized materials; Electronic product sales; Sales of mechanical and electrical equipment; Sales of electrical equipment; Sales of servo control mechanisms; Sales of communication equipment; Sales of household appliances; Sales of daily necessities; Retail of daily household appliances; Sales of daily necessities; Sales of office supplies; Retail of stationery supplies; Sales of household appliance spare parts; Sales of electronic measuring instruments; Sales of electrical equipment; Sales of intelligent instruments and meters; Sales of metallurgical specialized equipment; Sales of network equipment; Home service; Professional cleaning, washing, and disinfection services; Sales of seals; Sales of audio equipment; Wholesale of cosmetics; Sales of hair accessories; Sales of needle textiles and raw materials; Wholesale of clothing and apparel; Tea set sales; Wholesale of protective equipment for medical staff; Retail of protective equipment for medical staff; Sales of daily masks (non-medical); Sales of Class I medical devices; Rehabilitation assistive device adaptation services; Import and export agency; 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: Relay, Chemical Energy, Warehousing And Logistics

TOP4
Qingdao Jianyong Pneumatic Hydraulic Co., Ltd
Overall Score4.7 / 5
Est. Date2008-09-10
Registered Capital500K CNY

Qingdao Jianyong Pneumatic Hydraulic Co., Ltd. is located at Room 1006, Building B, No. 88 Chunyang Road, Chengyang District, Qingdao City, Shandong Province. It was established on September 10, 2008 and registered with the Market Supervision Administration of Chengyang District, Qingdao City. The legal representative is Liu Shengli. Core products: Relay, Forced Cooling Braking Resistor, Hydraulic Cylinder

TOP5
Qingdao Pingshan Technical Research International Trade Co., Ltd
Overall Score4.7 / 5
Est. Date2017-06-07
Registered Capital3000K CNY

Qingdao Pingshan Jiyan International Trade Co., Ltd., with its registered address at 6-603, Building B, Hisense Huiyuan Business Building, No. 204 Yan'an Third Road, Shinan District, Qingdao City, Shandong Province, is registered with the Market Supervision and Administration Bureau of Shinan District, Qingdao City. The legal representative is Dai Jiajia, and its business scope includes wholesale and sales of mechanical and electrical equipment, electronic products, instruments and meters, and industrial equipment; Import and export business of goods and technology (excluding projects prohibited by laws, administrative regulations, and decisions of the State Council, and projects restricted must obtain a license before operation). (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Relay, Instrument, Fan

TOP6
Qingdao Aohaiyuan International Trade Co., Ltd
Overall Score4.6 / 5
Est. Date2014-02-26
Registered Capital1000K CNY

Qingdao Aohaiyuan International Trade Co., Ltd., with its registered address at No. 161 Changjiang West Road, Huangdao District, Qingdao City, Shandong Province, is registered with the Market Supervision Administration of Huangdao District, Qingdao City. The legal representative is Zhang Yanhai, and its business scope includes wholesale and retail of hardware and building materials, communication equipment (excluding satellite TV broadcasting ground receiving facilities), electronic products, measuring tools, computer accessories, metal materials (excluding precious metals), primary agricultural products, and mechanical equipment; Import and export of goods and technology; Operate other general business projects that do not require administrative approval. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Relay, Communication Equipment, Hardware Tools

TOP7
Jinan Youtian Machinery Equipment Co., Ltd
Overall Score4.6 / 5
Est. Date2019-04-08
Registered Capital5000K CNY

Jinan Youtian Machinery Equipment Co., Ltd. is registered at 2320 Mingzhu Yihe Business Port, No. 88 Jingyi Road, Daguanyuan Street, Shizhong District, Jinan City, Shandong Province. The registration authority is the Market Supervision Administration of Shizhong District, Jinan City, and the legal representative is Zhang Mingzhe. The business scope includes licensed projects such as import and export of goods. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments. Specific business projects shall be subject to the approval documents or licenses issued by relevant departments.) General projects: sales of mechanical equipment; Sales of instruments and meters; Retail of hardware products; Electronic product sales; Sales of chemical products (excluding licensed chemical products); Retail of computer software, hardware, and auxiliary equipment; Sales of Class I medical devices; Sales of Class II medical devices. (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: Relay, Vibration Sensor, Shutdown Fluid

TOP8
Shandong Duobei Electromechanical Equipment Co., Ltd

Room 2019, Unit 2, Building 3, Tianhua Xintiandi, High tech Zone, Heze City, Shandong Province (office only)

Overall Score4.6 / 5
Est. Date2019-08-08
Registered Capital3000K CNY

Shandong Dobe Electromechanical Equipment Co., Ltd., located in Room 2019, Unit 2, Building 3, Tianhua Xintiandi, High tech Zone, Heze City, Shandong Province (office only), was established on August 8, 2019, with the registration authority of Market Supervision Administration of Luxi New District, Heze City, and the legal representative of Zhang Xiangyun. Core products: Relay, Siemens Plc Module, Mts Sensor

TOP9
Weihai Jingxun Tongdao Electronic Technology Co., Ltd. Jinan Branch
Overall Score4.4 / 5
Est. Date2019-05-15
Registered Capital-

Weihai Jingxun Tongtong Electronic Technology Co., Ltd. Jinan Branch, registered at Room 3-602C, Building B, Shuntai Plaza, No. 2000 Shunhua Road, High tech Zone, Jinan City, Shandong Province, China. The registration authority is the Market Supervision Bureau of Jinan High tech Industrial Development Zone Management Committee, and the legal representative is Wang Xiang. The business scope includes technical development, consulting, transfer, and production and sales of measurement and control equipment, instruments and meters, automation equipment, security monitoring devices, computer software and hardware, electronic products and accessories; Design, construction, and maintenance of security monitoring engineering and computer network system engineering; Import and export of goods and technology within the scope of filing. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Relay, Mems Gas Sensor , Accessories Or Other

TOP10
Qingdao Dekelai Trading Co., Ltd
Overall Score4.4 / 5
Est. Date2010-03-02
Registered Capital1000K CNY

Qingdao Dekelai Trading Co., Ltd., registered at Room 1101, Unit 1, Building 5, No. 157 Qingjiang Road, Shibei District, Qingdao City, Shandong Province, registered with the Market Supervision and Administration Bureau of Shibei District, Qingdao City. The legal representative is Zhang Shaofeng, and the business scope includes wholesale of mechanical and electrical products (excluding small cars), instruments and meters, computer software and hardware, hardware and electrical equipment, office equipment, cultural and sports supplies, daily necessities, and intelligent equipment in residential areas; Carry out business activities in accordance with the "Food Circulation License" issued by the food and drug regulatory department. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Relay, Amplifier, Shunt

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Zhongyi Intelligent Equipment Co., Ltd2020-06-15Relay, Other Mining Machinery And Equipment, Mechanical Parts50000K CNYSupported
Weihai Jingxun Tongtong Electronic Technology Co., Ltd2015-11-03Relay, Bright Kitchen And Stove Solution, Pipeline Gas Detector/Sensor20000K CNYNot Supported
Beiken Information Technology (Jining) Co., Ltd2022-02-25Relay, Chemical Energy, Warehousing And Logistics1000K CNYSupported
Qingdao Jianyong Pneumatic Hydraulic Co., Ltd2008-09-10Relay, Forced Cooling Braking Resistor, Hydraulic Cylinder500K CNYNot Supported
Qingdao Pingshan Technical Research International Trade Co., Ltd2017-06-07Relay, Instrument, Fan3000K CNYNot Supported
Qingdao Aohaiyuan International Trade Co., Ltd2014-02-26Relay, Communication Equipment, Hardware Tools1000K CNYNot Supported
Jinan Youtian Machinery Equipment Co., Ltd2019-04-08Relay, Vibration Sensor, Shutdown Fluid5000K CNYNot Supported
Shandong Duobei Electromechanical Equipment Co., Ltd2019-08-08Relay, Siemens Plc Module, Mts Sensor3000K CNYNot Supported
Weihai Jingxun Tongdao Electronic Technology Co., Ltd. Jinan Branch2019-05-15Relay, Mems Gas Sensor , Accessories Or Other-Not Supported
Qingdao Dekelai Trading Co., Ltd2010-03-02Relay, Amplifier, Shunt1000K CNYNot Supported

Purchasing Guide

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

  • For procurement requirements that require the use of relays, it is recommended to prioritize checking key parameters such as contact capacity and insulation withstand voltage to ensure compatibility with equipment load characteristics. In industrial control scenarios, additional attention should be paid to electromagnetic interference resistance performance.
  • When selecting suppliers, reference can be made to indicators such as product compatibility, business qualifications, enterprise activity, industry performance, and industry data support, especially in high-frequency application fields such as power systems or automation production lines.
  • Different scenarios such as new energy grid connection or rail transit signal control have significant differences in the requirements for relay switching speed and mechanical life. Specific operating conditions need to be clarified before procurement.
  • It is recommended to prioritize manufacturers with practical application cases in sub sectors such as smart grids and motor protection, based on the industry data support of suppliers, for the procurement of industrial grade relays.

Knowledge Base

Q

This article analyzes the key indicators for judging the performance of relay protection, teaching you to identify the core characteristics of high-quality relay protection from three dimensions: action accuracy, speed, and reliability, and helping you master the selection essentials of power system security guards.

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