Updated Aug 15, 2026 · Public platform & industry data

Aug 15, 2026 Updated

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2026 Top 10 S7-300 Manufacturers in China

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Top-rated S7-300 suppliers, How to choose a S7-300 manufacturer, Best S7-300 companies in China

The top 10 S7-300 manufacturers in China for 2026 are: Jiangsu Yingyue Intelligent Technology Co., Ltd, Changsha Honglicheng Electric Co., Ltd, Shanghai Qinxiao Automation Equipment Co., Ltd, Shanghai Binqin Electrical Technology Co., Ltd, Shanghai Taixuan Automation Technology Co., Ltd, Shanghai Xinhenglong Automation Technology Co., Ltd, Shenzhen Qinao Automation Technology Co., Ltd, Shanghai Zhehe Electromechanical Technology Co., Ltd, Shanghai Zhuoxinfeng Technology Equipment Engineering Co., Ltd, Changsha Ju'an Xinqi Electronic 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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Jiangsu Yingyue Intelligent Technology Co., Ltd
Overall Score4.9 / 5
Est. Date2023-06-27
Registered Capital10000K CNY

Jiangsu Yingyue Intelligent Technology Co., Ltd., with its registered address at No. 58 Zhongxing Road, Dongcheng Street, Jintan District, Changzhou City, Jiangsu Province, is registered with the Administrative Approval Bureau of Jintan District, Changzhou City. The legal representative is Yang Wuying, and the business scope includes general projects such as technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Manufacturing of industrial automatic control system devices; Sales of industrial automatic control system devices; Manufacturing of industrial control computers and systems; Sales of industrial control computers and systems; Manufacturing of computer software, hardware, and peripheral devices; Manufacturing of instruments and meters; Sales of instruments and meters; Manufacturing of electronic components and electromechanical equipment; Sales of electronic components and electromechanical equipment; Manufacturing of power facilities and equipment; Sales of power facilities and equipment; 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 specialized equipment for semiconductor devices; Sales of specialized equipment for semiconductor devices; Manufacturing of electrical equipment; Sales of electrical equipment; Manufacturing of mechanical and electrical equipment; Sales of mechanical and electrical equipment; Mechanical parts and component processing; Sales of mechanical parts and components (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: S7-300, Instrument, Siemens Cable

Top 2
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Changsha Honglicheng Electric Co., Ltd
Overall Score4.7 / 5
Est. Date2021-03-29
Registered Capital1000K CNY

Changsha Honglicheng Electric Co., Ltd., registered at Room 2124, Building 3, 10, and 4, Jinqiao Market Cluster 2, South of Purui West Road, Huangjinyuan Street, Xiangjiang New Area, Hunan Province. The registration authority is Hunan Xiangjiang New Area Management Committee, and the legal representative is He Xianwen. The business scope includes general items: sales of electrical equipment; Sales of power electronic components; Sales of instruments and meters; Sales of pneumatic power machinery and components; Sales of mechanical and electrical equipment; Sales of electrical instruments and meters; Installation services for ordinary mechanical equipment; Retail of hardware products; Wholesale of hardware products; Import and export of goods; General equipment repair; Specialized equipment repair; Electrical equipment repair; Import and export agency; Technology import and export (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: S7-300, Frequency Converter, Smart200

Top 3
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Shanghai Qinxiao Automation Equipment Co., Ltd
Overall Score4.7 / 5
Est. Date2019-10-25
Registered Capital2000K CNY

Shanghai Qinxiao Automation Equipment Co., Ltd., with its registered address at Room 1977, No. 11, Lane 65, Huandong 1st Road, Fengjing Town, Jinshan District, Shanghai, is registered with the Jinshan District Market Supervision Bureau and represented by Wu Songlin as the legal representative. Its business scope includes industrial automation equipment, office automation equipment, complete automation equipment, electrical equipment, environmental protection equipment, mechanical equipment sales, e-commerce (excluding value-added telecommunications and financial services), and is engaged in technology development, technology transfer, technical consulting, technical services, installation, commissioning, and maintenance of automation control equipment, as well as industrial automation system engineering in the field of "industrial automation and automation equipment". Projects that require approval according to law can only carry out business activities after being approved by relevant departments. Core products: S7-300, , Siemens 3Sk Relay

TOP4
Shanghai Binqin Electrical Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2013-07-02
Registered Capital1000K CNY

Shanghai Binqin Electrical Technology Co., Ltd., with its registered address at Room 1063, Zone T, 10th Floor, No. 26, Lane 1289, Gongyuan East Road, Qingpu District, Shanghai, is registered with the Qingpu District Market Supervision Administration. The legal representative is Xiao Bin, and the business scope includes technical development, technical consulting, technical services, and technology transfer in the fields of electrical and automation technology. The company also engages in the maintenance and installation of electrical, electromechanical, and automation equipment, as well as the sale of electrical equipment and accessories, CNC equipment and accessories, electromechanical equipment, engineering machinery equipment and accessories, complete sets of automation equipment and accessories, low-voltage electrical components, wires and cables, and instruments and meters. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: S7-300, S120,

TOP5
Shanghai Taixuan Automation Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2021-12-24
Registered Capital2000K CNY

Shanghai Taixuan Automation Technology Co., Ltd., with its registered address at Building 10, No. 199 Changjian Road, Baoshan District, Shanghai, is registered with the Baoshan District Market Supervision and Administration Bureau. The legal representative is Xu Dingyong, and its business scope includes general projects such as technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Software development; Sales of electrical equipment; Sales of electrical accessories; Wholesale of electronic components; Sales of electronic specialized equipment; Sales of electrical instruments and meters; Operation of wires and cables; Sales of distribution switch control equipment; Sales of electronic components and electromechanical equipment; Specialized equipment repair; Network technology services; Development of network and information security software; Conference and exhibition services; Business agency services; Information technology consulting services; Computer system services; Advertising design and agency; Advertising release; Sales of daily necessities; Electronic product sales; Sales of power electronic components; Sales of mechanical equipment; Sales of household appliances; Retail of computer software, hardware, and auxiliary equipment; Sales of network equipment; Internet equipment sales; Wholesale of hardware products; Sales of refrigeration and air conditioning equipment; General equipment repair; Sales of electronic specialized materials; Sales of gas compression machinery; Sales of mechanical and electrical equipment; Research and development of electronic specialized materials; Sales of special equipment; Sales of clocks and timing instruments; Glasses sales (excluding contact lenses); Luggage sales; Sales of leather products. (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: S7-300, 7Km, Motor

TOP6
Shanghai Xinhenglong Automation Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2022-09-19
Registered Capital1000K CNY

Shanghai Xinhenglong Automation Technology Co., Ltd., with its registered address at Building 4, No. 3329 Jinqian Road, Fengxian District, Shanghai, registered with the Market Supervision Administration of Fengxian District, and represented by Cai Jinlong as its legal representative. Its business scope includes general projects such as technical services, technical development, technical consultation, technical exchange, technology transfer, and technology promotion; Sales of industrial automatic control system devices; Sales of mechanical and electrical equipment; Wholesale of computer software, hardware, and auxiliary equipment; Retail of computer software, hardware, and auxiliary equipment; Sales of electrical equipment; Electrical equipment repair; Wholesale of hardware products; Retail of hardware products; Wholesale of electronic components; Retail of electronic components; Sales of instruments and meters; Operation of wires and cables; Sales of mechanical equipment. (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: S7-300, Cnc Panel, Other

TOP7
Shenzhen Qinao Automation Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2022-07-11
Registered Capital2000K CNY

Shenzhen Qin'ao Automation Technology Co., Ltd., with its registered address at 1-5A05, Building 1, Center Mansion, No. 33 Lanzhu West Road, Liuhe Community, Pingshan District, Shenzhen. The registration authority is the Shenzhen Market Supervision Administration, and the legal representative is Dou Huixiang. Its business scope includes general business projects such as technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of mechanical and electrical equipment; Sales of mechanical equipment; Sales of metal products; Sales of instruments and meters; Electronic product sales; Wholesale of electronic components; Retail of electronic components; Sales of communication equipment; Retail of hardware products; Sales of rubber products; Sales of daily ceramic products; Sales of metal materials; Sales of packaging materials and products; Sales of building decoration materials; Sales of building materials; Sales of chemical products (excluding licensed chemical products); Wholesale of hardware products; Research and development of hardware products; Sales of valves and plugs. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license) Licensed business projects: none.. Core products: S7-300, Siemens Thermal Overload Relay, Mushroom Head Button

TOP8
Shanghai Zhehe Electromechanical Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2016-01-25
Registered Capital20000K CNY

Shanghai Zhehe Electromechanical Technology Co., Ltd., with its registered address at Room 1306, No. 1369 Baoyang Road, Baoshan District, Shanghai, is registered with the Baoshan District Market Supervision and Administration Bureau. The legal representative is Li Xiaoya, and its business scope includes general projects such as technology import and export; Import and export agency; Import and export of goods; Manufacturing of industrial automatic control system devices; Industrial design services; Industrial Internet data service; Sales of industrial automatic control system devices; Artificial intelligence basic resources and technology platform; Basic software development for artificial intelligence; Manufacturing of smart home consumer devices; Computer system services; Wholesale of computer software, hardware, and auxiliary equipment; Network technology services; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Software development; Sales of mechanical equipment; Mechanical equipment research and development; Sales of specialized equipment for environmental protection; Production of labor protection equipment; Sales of labor protection equipment; Production of special labor protection equipment; Retail of electronic components; Wholesale of electronic components; Sales of electronic specialized equipment; Manufacturing of instruments and meters; Sales of instruments and meters; Manufacturing of plastic products; Sales of plastic products; Sales of electronic components and electromechanical equipment; Manufacturing of electronic specialized equipment; Retail of hardware products; Wholesale of hardware products; Sales of metal tools; Manufacturing of metal tools; Manufacturing of metal materials; Sales of metal materials; Sales of specialized chemical products (excluding hazardous chemicals); Professional cleaning, washing, and disinfection services; Sales of daily necessities; Sales of office supplies; Furniture sales; Sales of lighting fixtures; Production of Class I medical devices; Sales of special labor protection equipment. (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: S7-300, Solid State Relay G3na Series, 3Rh Intermediate Relay

TOP9
Shanghai Zhuoxinfeng Technology Equipment Engineering Co., Ltd
Overall Score4.3 / 5
Est. Date2022-07-04
Registered Capital8000K CNY

Shanghai Zhuoxinfeng Technology Equipment Engineering Co., Ltd. is registered at No. 11, Lane 65, Huandong 1st Road, Fengjing Town, Jinshan District, Shanghai (Fengjing Economic Community). The registration authority is Jinshan District Market Supervision and Administration Bureau, and the legal representative is Wang Lihua. The business scope includes licensed projects: electrical installation services. (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 of relevant departments.) General projects: technical services, technology development, technology consulting, technology exchange, technology transfer, technology promotion; Electrical equipment repair; Installation and maintenance of industrial robots; Sales agent; Sales of industrial automatic control system devices; Sales of intelligent power transmission and distribution and control equipment; Sales of electrical equipment; Sales of industrial robots; Electronic product sales; Sales of electronic specialized equipment; Sales of communication equipment; Sales of instruments and meters; Wholesale of electronic components; Operation of wires and cables; Internet sales (except for sales of goods that require a license). (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: S7-300, Siemens Accessories, Et200

TOP10
Changsha Ju'an Xinqi Electronic Technology Co., Ltd
Overall Score4.3 / 5
Est. Date2023-02-10
Registered Capital10K CNY

Changsha Juanxinqi Electronic Technology Co., Ltd., registered at 203-645, 2nd Floor, Building A, No. 618 Heping Road, Longping High tech Park, Furong District, Changsha, China (Hunan) Pilot Free Trade Zone, registered with the Market Supervision Administration of Furong District, Changsha City, with Yang Chun as the legal representative. Its business scope includes general projects: sales of industrial automatic control system devices; Development of artificial intelligence application software; Mechanical equipment research and development; Sales of electrical equipment; Research and development of motors and their control systems; Information system integration services; Wholesale of electronic components; Sales of intelligent basic manufacturing equipment; Sales of intelligent agricultural machinery and equipment; Sales of industrial control computers and systems; Sales of intelligent robots; Wholesale of computer software, hardware, and auxiliary equipment; Information technology consulting services; Technology intermediary services; Sales of intelligent instruments and meters; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Retail of hardware products; Sales of power electronic components; Sales of instruments and meters; Sales of mechanical parts and components; Operation of wires and cables; Sales of power facilities and equipment; Sales of building decoration 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: S7-300, S120, S7-1200

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Jiangsu Yingyue Intelligent Technology Co., Ltd2023-06-27S7-300, Instrument, Siemens Cable10000K CNYNot Supported
Changsha Honglicheng Electric Co., Ltd2021-03-29S7-300, Frequency Converter, Smart2001000K CNYNot Supported
Shanghai Qinxiao Automation Equipment Co., Ltd2019-10-25S7-300, , Siemens 3Sk Relay2000K CNYNot Supported
Shanghai Binqin Electrical Technology Co., Ltd2013-07-02S7-300, S120, 1000K CNYNot Supported
Shanghai Taixuan Automation Technology Co., Ltd2021-12-24S7-300, 7Km, Motor2000K CNYNot Supported
Shanghai Xinhenglong Automation Technology Co., Ltd2022-09-19S7-300, Cnc Panel, Other1000K CNYNot Supported
Shenzhen Qinao Automation Technology Co., Ltd2022-07-11S7-300, Siemens Thermal Overload Relay, Mushroom Head Button2000K CNYNot Supported
Shanghai Zhehe Electromechanical Technology Co., Ltd2016-01-25S7-300, Solid State Relay G3na Series, 3Rh Intermediate Relay20000K CNYNot Supported
Shanghai Zhuoxinfeng Technology Equipment Engineering Co., Ltd2022-07-04S7-300, Siemens Accessories, Et2008000K CNYNot Supported
Changsha Ju'an Xinqi Electronic Technology Co., Ltd2023-02-10S7-300, S120, S7-120010K CNYNot Supported

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