Updated Aug 13, 2026 · Public platform & industry data

Aug 13, 2026 Updated

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2026 Top 10 Contactor Manufacturers in China Shanghai

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

The top 10 Contactor manufacturers in Shanghai for 2026 are: Shanghai Qiantuo Trading Co., Ltd, Chengdu Shanrong Electromechanical Equipment Co., Ltd, Shanghai Lingheng Automation Technology Co., Ltd, Chengdu Shanrong Electromechanical Equipment Co., Ltd, Shanghai Lingyi Electromechanical Equipment Co., Ltd, Zhejiang Zhuoliang Electric Co., Ltd, Nanchang Zehoufeng Technology Co., Ltd, Kunshan Ruide New Rail Transit Equipment Co., Ltd, Shanghai Chaoma Import and Export Co., Ltd, Shanghai Qiantuo 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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ShanghaiShanghai
Top 1
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Shanghai Qiantuo Trading Co., Ltd
Overall Score4.9 / 5
Est. Date2008-09-18
Registered Capital2000K CNY

Shanghai Qiantuo Trading Co., Ltd., with its registered address at Room 713, Lane 99, Jiayong Road, Jiading District, Shanghai, is registered with the Jiading District Market Supervision Bureau. The legal representative is Dan Rongbing, and its business scope includes the sale of mechanical equipment, hardware tools, instruments and meters, electronic components, chemical raw materials (excluding hazardous chemicals, monitoring chemicals, fireworks and firecrackers, civilian explosives, and precursor chemicals), building decoration materials, computers and accessories, lighting appliances, automotive and motorcycle accessories, daily necessities, metal products, textiles, and office supplies. It engages in the import and export of goods and technology. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Contactor, Rotate The Handle, Boosting Cylinder Piston

Top 2
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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: Contactor, Servo Valve, Solenoid Valve

Top 3
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Shanghai Lingheng Automation Technology Co., Ltd
Overall Score4.7 / 5
Est. Date2019-08-14
Registered Capital3500K CNY

Shanghai Lingheng Automation Technology Co., Ltd. is registered at No. 361 Xinzhan Road, Xinqiao Town, Songjiang District, Shanghai. The registration authority is the Songjiang District Market Supervision Administration, and the legal representative is Yang Fengtang. Its business scope includes technology development, technical services, technical consulting, and technology transfer in the field of automation technology, construction of electrical equipment, mechanical equipment, and electromechanical installation projects, sales of electronic and electrical products, hardware and electrical equipment, electronic components, automation equipment, electromechanical products, instruments and meters, computer software and hardware and accessories, metal materials, maintenance of building decoration materials, and professional construction of electromechanical equipment installation and construction projects. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Contactor, Conversion Module, Plc Module Frequency Converter

TOP4
Chengdu Shanrong Electromechanical Equipment Co., Ltd
Overall Score4.6 / 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: Contactor, Diaphragm Valve, Solenoid Valve

TOP5
Shanghai Lingyi Electromechanical Equipment Co., Ltd
Overall Score4.6 / 5
Est. Date2010-04-18
Registered Capital500K CNY

Shanghai Lingyi Electromechanical Equipment Co., Ltd. is registered at Room 1-235, Building 4, Fengjing Mall, No. 9135 Zhufeng Road, Jinshan District, Shanghai. The registration authority is Jinshan District Market Supervision Administration, and the legal representative is Liu Ling. The company's business scope includes the sale of electromechanical equipment and accessories, pumps, engines, fans, refrigeration equipment, pressure vessels, electronic products, chemical equipment, mechanical equipment, electrical equipment, hardware and electrical equipment, instruments and meters, steel, automotive parts, chemical raw materials and products (excluding hazardous chemicals, monitored chemicals, fireworks and firecrackers, civilian explosives, and precursor chemicals), maintenance of electromechanical equipment (excluding special equipment), and engages in the import and export of goods and technology. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Contactor, Quincy Triple Filter, Check Valve

TOP6
Zhejiang Zhuoliang Electric Co., Ltd
Overall Score4.5 / 5
Est. Date2016-07-13
Registered Capital10000K CNY

Zhejiang Zhuoliang Electric Co., Ltd., registered in Shangchi Village, Liushi Town, Yueqing City, Wenzhou City, Zhejiang Province, with the registration authority of Yueqing Market Supervision Administration and the legal representative of Lv Xunzhi, is engaged in the sales of distribution switch control equipment, high and low voltage electrical appliances and accessories, pneumatic components, electronic components, complete sets of electrical equipment and accessories, instruments and meters (excluding measuring instruments), wires and cables, power fittings, and explosion-proof electrical appliances; 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: Contactor, Circuit Breaker, Disconnecting Switch

TOP7
Nanchang Zehoufeng Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2014-05-20
Registered Capital5000K CNY

Nanchang Zehoufeng Technology Co., Ltd., with its registered address at Room 502, Unit 4, Building 7, No. 16 Daishan East Road, Qingyunpu District, Nanchang City, is registered with the Market Supervision and Administration Bureau of Qingyunpu District, Nanchang City. The legal representative is Fan Houfeng, and the business scope includes wholesale and retail of electrical equipment, electronic products and self-control equipment, communication equipment, computers, instruments and meters, metal materials, building materials, and automotive spare parts; Design, production, installation, and commissioning of non-standard equipment and industrial automation systems; Design and production of electrical control cabinets; Computer software development; Comprehensive technical consulting services; Wholesale and retail of machinery and accessories. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Contactor, Switching Power Supply Accessories, Siemens Touch Screen

TOP8
Kunshan Ruide New Rail Transit Equipment Co., Ltd
Overall Score4.5 / 5
Est. Date2020-04-30
Registered Capital12000K CNY

Kunshan Ruide New Rail Transit Equipment Co., Ltd., with its registered address at 3rd Floor, Building 2, No. 318 Youde Road, Yushan Town, Kunshan City, is registered with Kunshan Data Bureau and represented by Ye Changxiong. Its business scope includes licensed projects such as technology import and export; Import and export of goods (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: Manufacturing of railway locomotive and vehicle accessories; Manufacturing of mechanical and electrical equipment; Manufacturing of lighting fixtures; Manufacturing of instruments and meters; Sales of metal materials; Sales of building decoration materials; Wholesale of hardware products; Wholesale of computer software, hardware, and auxiliary equipment; Retail of computer software, hardware, and auxiliary equipment; Electronic product sales; Sales of rubber products (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: Contactor, Railway Locomotive Lighting Series, Railway Locomotive Accessories Series

TOP9
Shanghai Chaoma Import and Export Co., Ltd
Overall Score4.4 / 5
Est. Date2002-06-27
Registered Capital1000K CNY

Shanghai Chaoma Import and Export Co., Ltd., with its registered address at Room 1402, No. 2, Lane 2591, Hunan Road, Pudong New Area, Shanghai, is registered with the Pudong New Area Market Supervision Bureau. The legal representative is Fan Dongbing, and its business scope includes the import and export of goods and technology, sales of mechanical and electrical products, electrical equipment, communication equipment, kitchen complete sets of equipment, chemical raw materials and products (excluding hazardous chemicals, monitoring chemicals, civilian explosives, and precursor chemicals), building materials, metal materials, department stores, hardware and electrical products, development and sales of computer software and hardware, business information consulting, and food circulation. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Contactor, Parker, Clk

TOP10
Shanghai Qiantuo Trading Co., Ltd
Overall Score4.4 / 5
Est. Date2008-09-18
Registered Capital2000K CNY

Shanghai Qiantuo Trading Co., Ltd., with its registered address at Room 713, Lane 99, Jiayong Road, Jiading District, Shanghai, is registered with the Jiading District Market Supervision Bureau. The legal representative is Dan Rongbing, and its business scope includes the sale of mechanical equipment, hardware tools, instruments and meters, electronic components, chemical raw materials (excluding hazardous chemicals, monitoring chemicals, fireworks and firecrackers, civilian explosives, and precursor chemicals), building decoration materials, computers and accessories, lighting appliances, automotive and motorcycle accessories, daily necessities, metal products, textiles, and office supplies. It engages in the import and export of goods and technology. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Contactor, Directional Control Valve, Bar Code Scanner

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Shanghai Qiantuo Trading Co., Ltd2008-09-18Contactor, Rotate The Handle, Boosting Cylinder Piston2000K CNYNot Supported
Chengdu Shanrong Electromechanical Equipment Co., Ltd2017-05-04Contactor, Servo Valve, Solenoid Valve2000K CNYNot Supported
Shanghai Lingheng Automation Technology Co., Ltd2019-08-14Contactor, Conversion Module, Plc Module Frequency Converter3500K CNYNot Supported
Chengdu Shanrong Electromechanical Equipment Co., Ltd2017-05-04Contactor, Diaphragm Valve, Solenoid Valve2000K CNYNot Supported
Shanghai Lingyi Electromechanical Equipment Co., Ltd2010-04-18Contactor, Quincy Triple Filter, Check Valve500K CNYNot Supported
Zhejiang Zhuoliang Electric Co., Ltd2016-07-13Contactor, Circuit Breaker, Disconnecting Switch10000K CNYSupported
Nanchang Zehoufeng Technology Co., Ltd2014-05-20Contactor, Switching Power Supply Accessories, Siemens Touch Screen 5000K CNYNot Supported
Kunshan Ruide New Rail Transit Equipment Co., Ltd2020-04-30Contactor, Railway Locomotive Lighting Series, Railway Locomotive Accessories Series12000K CNYNot Supported
Shanghai Chaoma Import and Export Co., Ltd2002-06-27Contactor, Parker, Clk1000K CNYNot Supported
Shanghai Qiantuo Trading Co., Ltd2008-09-18Contactor, Directional Control Valve, Bar Code Scanner2000K CNYNot Supported

Purchasing Guide

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

  • For procurement requirements that require the use of contactors, it is recommended to match the model based on key technical parameters such as load current and rated voltage. In industrial scenarios, additional consideration should be given to anti vibration and protection levels.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and companies with industry data support to ensure supply stability and long-term cooperation potential.
  • Different application scenarios such as motor control, power distribution, or automation systems have significant differences in the requirements for the breaking capacity and mechanical life of contactors, and targeted screening is needed.
  • When evaluating contactor suppliers, it is recommended to focus on product reliability verification in high-frequency usage scenarios, taking into account their industry data performance and actual cases.

Knowledge Base

Q

This article analyzes the core differences between 220V and 380V AC contactors, including working principles, applicable scenarios, and selection points, to help readers make reasonable choices based on actual needs and avoid equipment problems caused by voltage mismatch.

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