Updated Oct 7, 2026 · Public platform & industry data

Oct 7, 2026 Updated

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2026 Top 10 Plc Manufacturers in China

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

The top 10 Plc manufacturers in China for 2026 are: Qingzhou Dingsheng Ship Engineering Co., Ltd, Nanjing Hewang Machinery Equipment Technology Co., Ltd, Kaifeng Sida Agricultural Products Equipment Co., Ltd, Jiangsu Aoli Environmental Protection Technology Co., Ltd, Nanjing Yaotian Drying Equipment Co., Ltd, Sichuan Ziguan Optoelectronics Technology Co., Ltd, Shenzhen Biyang Technology Development Co., Ltd, Jining Sanzheng Machinery Equipment Co., Ltd, Zhengzhou Dongding Drying Equipment Co., Ltd, Shenzhen Hongyi Electronics 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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Qingzhou Dingsheng Ship Engineering Co., Ltd
Overall Score4.9 / 5
Est. Date2011-11-15
Registered Capital5000K CNY

Qingzhou Dingsheng Ship Engineering Co., Ltd. is registered at No. 883 Yangguqiao Village, Huanglou Street, Qingzhou City, Weifang City, Shandong Province. The registration authority is the Qingzhou Market Supervision Administration, and the legal representative is Yao Chuanxian. Its business scope includes ship sales, repair, maintenance, technology promotion, technical consulting, design, manufacturing, and sales of mineral processing equipment, sand mining machinery, dredging machinery, agricultural machinery, environmental protection equipment, screening equipment, mechanical parts processing and sales, and import and export of goods. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Plc, Lift Type Floating Pump Station, Dredging Equipment

Top 2
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Nanjing Hewang Machinery Equipment Technology Co., Ltd
Overall Score4.8 / 5
Est. Date2019-05-24
Registered Capital5000K CNY

Nanjing Hewang Machinery Equipment Technology Co., Ltd., located at No. 140 Changtai Road, Nanzhong Village, Longtan Street, Nanjing Economic and Technological Development Zone, was established on May 24, 2019. The registration authority is the Administrative Approval Bureau of Qixia District, Nanjing City, and the legal representative is Zhu Wangman. Core products: Plc

Top 3
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Kaifeng Sida Agricultural Products Equipment Co., Ltd
Overall Score4.8 / 5
Est. Date2004-03-26
Registered Capital6600K CNY

Kaifeng Sida Agricultural Products Equipment Co., Ltd., with its registered address at No. 18 Weiliu Road, Huanglong Park, Kaifeng Economic Development Zone, is registered with the Market Supervision and Administration Bureau of Xiangfu District, Kaifeng City. The legal representative is Zhang Shiling, and its business scope includes the production and technical services of agricultural product processing equipment, food machinery equipment, drying equipment, as well as research, development, and technology transfer of high-tech products; Carry out import and export trade business permitted by the state.. Core products: Plc, Sweet Potato Starch Drying Equipment, Efficient Puffing Machine

TOP4
Jiangsu Aoli Environmental Protection Technology Co., Ltd
Overall Score4.7 / 5
Est. Date2008-01-23
Registered Capital20000K CNY

Jiangsu Aoli Environmental Protection Technology Co., Ltd., registered at No. 9 Chengzhou Road, Industrial Concentration Zone, Gaocheng Town, Yixing City, with the registration authority of Yixing Data Bureau and the legal representative of Jiang Jianliang, is engaged in the research and development, technical services, design, manufacturing, sales, installation, and commissioning of environmental protection equipment and incinerators; Import and export business of various commodities and technologies through self operation and agency (excluding commodities and technologies restricted or prohibited from import and export by the state). (Projects that require approval by law must be approved by relevant departments before conducting business activities) Licensed projects: various types of engineering construction activities (projects that require approval by law must be approved by relevant departments before conducting business activities, and specific business projects are subject to approval results) General projects: integration of intelligent control systems; Sales of metal materials; Sales of plastic products; Operation of wires and cables; Manufacturing of mechanical and electrical equipment (except for projects that require approval according to law, conducting business activities independently with a business license in accordance with the law). Core products: Plc, Medical Waste Incinerator, Waste Gas Treatment Equipment

TOP5
Nanjing Yaotian Drying Equipment Co., Ltd
Overall Score4.7 / 5
Est. Date2012-06-19
Registered Capital8000K CNY

Nanjing Yaotian Drying Equipment Co., Ltd., with its registered address in Guangchang Village, Jing'an Street, Qixia District, Nanjing City, is registered with the Administrative Approval Bureau of Qixia District, Nanjing City. The legal representative is Du Qiming, and its business scope includes the production, processing, and sales of drying equipment, pharmaceutical machinery, food machinery, chemical machinery, transportation equipment, ozone equipment, electric furnaces, ovens, and automation equipment; Production, processing, and sales of stainless steel products and mechanical equipment. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments) General projects: research and development of mechanical equipment; General equipment manufacturing (excluding special equipment manufacturing); Ordinary mechanical equipment installation services (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). Core products: Plc, Washing Machine, High-Efficiency Coating Machine

TOP6
Sichuan Ziguan Optoelectronics Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2015-03-16
Registered Capital10000K CNY

Sichuan Ziguan Optoelectronic Technology Co., Ltd., registered at No. 218 Wenwu Middle Road, Tangxun Town, Economic Development Zone, Mianyang City, Sichuan Province (Electronic Manufacturing Industrial Park), Building 16, 3rd Floor, with the registration authority of Mianyang Market Supervision and Administration Bureau and the legal representative of Tang Juan. Its business scope includes research and development, production, and sales of communication equipment (excluding high-power transmission devices), optoelectronic devices, and consumables, development of computer software and hardware, network technology services, and import and export of goods. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments)***. Core products: Plc, Array Mems Optical Switch, Soi Chip Based High-Speed Optical Switch Array

TOP7
Shenzhen Biyang Technology Development Co., Ltd
Overall Score4.6 / 5
Est. Date2011-07-27
Registered Capital15000K CNY

Shenzhen Biyang Technology Development Co., Ltd., with its registered address at 3rd Floor, Building 4, Third Industrial Zone, Longfeng 1st Road, Longyuan Community, Longhua Street, Longhua District, Shenzhen. The registration authority is the Shenzhen Market Supervision Administration, and the legal representative is Xie Song. Its business scope includes general business projects such as computer software and hardware development; Sales of electronic components and accessories, electronic products, sensors, integrated circuits, security products, network products, circuit modules, communication cables, photovoltaic systems, explosion-proof electrical appliances, and computer network supporting equipment; Design, installation, construction, and on-site maintenance of network equipment, communication equipment, automation systems, security systems, and computer network system integration projects, as well as related engineering equipment; Consulting services for electronic products, communication technology, and electronic information technology; Domestic trade; Import and export of goods and technology. Information consulting services (excluding licensed information consulting services); business management. Except for projects that require approval according to law, business activities can be carried out independently based on the business license. Licensed business projects include research and development, production, sales, and maintenance of communication products, wireless network products, wireless bridges, and IoT products. (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: Plc, Industrial Crane, Wireless Bridge

TOP8
Jining Sanzheng Machinery Equipment Co., Ltd
Overall Score4.6 / 5
Est. Date2015-04-23
Registered Capital5000K CNY

Jining Sanzheng Machinery Equipment Co., Ltd., with its registered address at Building 2, No. 8 Shanbo Road Industrial Park, Jiezhuang Street, High tech Zone, Jining City, Shandong Province, China. The registration authority is the Market Supervision and Administration Bureau of Jining High tech Industrial Development Zone, and the legal representative is Pi Xiumei. Its business scope includes general projects such as mining machinery manufacturing; Manufacturing of hydraulic power machinery and components; Manufacturing of construction machinery; Sales of construction machinery; Manufacturing of metal cutting and welding equipment; Manufacturing of casting machinery; Manufacturing of specialized machinery for the production of building materials; Mechanical parts and component processing; Sales of mechanical equipment; Sales of firefighting equipment; Sales of specialized instruments and meters for environmental monitoring; Sales of electrical instruments and meters; Sales of agricultural machinery. (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: Plc, Anchor Drilling Rig, Emergency Lighting Lamp

TOP9
Zhengzhou Dongding Drying Equipment Co., Ltd
Overall Score4.5 / 5
Est. Date2012-01-13
Registered Capital20000K CNY

Zhengzhou Dongding Drying Equipment Co., Ltd., with its registered address at No. 345 Huaxia Avenue, Airport Zone, Zhengzhou City, Henan Province, is registered with the Market Supervision and Management and Business Environment Bureau of Zhengzhou Airport Economic Comprehensive Experimental Zone. The legal representative is Wei Mingwang, and its business scope includes the production, installation, and sales of drying equipment, mechanical equipment, environmental protection equipment, and accessories; Sales: Hardware and Electrical; Technical development and sales of computer software, hardware, and electronic products; Technical development, consultation, and transfer of mechanical and drying equipment; Talent intermediary services. For licensed business projects, relevant department licenses must be obtained before operating. Core products: Plc, Accessories, Coal Category

TOP10
Shenzhen Hongyi Electronics Co., Ltd
Overall Score4.4 / 5
Est. Date2013-09-13
Registered Capital5000K CNY

Shenzhen Hongyi Electronics Co., Ltd., with its registered address at Room 1108, Block A, Huafeng Headquarters Economic Building, No. 288 Xixiang Avenue, Labor Community, Xixiang Street, Bao'an District, Shenzhen, is registered with the Shenzhen Municipal Administration for Market Regulation. The legal representative is Zhang Yanyu, and its business scope includes the manufacturing of electronic measuring instruments; Manufacturing of computer software, hardware, and peripheral devices; Manufacturing of optoelectronic devices; Manufacturing of experimental analytical instruments; Manufacturing of electronic specialized equipment; Manufacturing of mechanical and electrical equipment; Manufacturing of terminal measuring equipment; Manufacturing of terminal testing equipment; Manufacturing of network equipment; Electronic product sales; Sales of electronic measuring instruments; Sales of artificial intelligence hardware; Wholesale of computer software, hardware, and auxiliary equipment; Sales of optoelectronic devices; Sales of experimental analytical instruments; Sales of electronic specialized equipment; Sales of electrical equipment; Sales of terminal measuring equipment; Sales of terminal testing equipment; Sales of network equipment; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Internet sales (except for the sale of goods that need to be licensed); Domestic trade agency; 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) ^ None. Core products: Plc, Dfn Test Stand Series, Emmc/Emcp Chip Testing Series

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Qingzhou Dingsheng Ship Engineering Co., Ltd2011-11-15Plc, Lift Type Floating Pump Station, Dredging Equipment5000K CNYNot Supported
Nanjing Hewang Machinery Equipment Technology Co., Ltd2019-05-24Plc5000K CNYNot Supported
Kaifeng Sida Agricultural Products Equipment Co., Ltd2004-03-26Plc, Sweet Potato Starch Drying Equipment, Efficient Puffing Machine6600K CNYSupported
Jiangsu Aoli Environmental Protection Technology Co., Ltd2008-01-23Plc, Medical Waste Incinerator, Waste Gas Treatment Equipment20000K CNYNot Supported
Nanjing Yaotian Drying Equipment Co., Ltd2012-06-19Plc, Washing Machine, High-Efficiency Coating Machine8000K CNYSupported
Sichuan Ziguan Optoelectronics Technology Co., Ltd2015-03-16Plc, Array Mems Optical Switch, Soi Chip Based High-Speed Optical Switch Array10000K CNYNot Supported
Shenzhen Biyang Technology Development Co., Ltd2011-07-27Plc, Industrial Crane, Wireless Bridge15000K CNYNot Supported
Jining Sanzheng Machinery Equipment Co., Ltd2015-04-23Plc, Anchor Drilling Rig, Emergency Lighting Lamp5000K CNYSupported
Zhengzhou Dongding Drying Equipment Co., Ltd2012-01-13Plc, Accessories, Coal Category20000K CNYNot Supported
Shenzhen Hongyi Electronics Co., Ltd2013-09-13Plc, Dfn Test Stand Series, Emmc/Emcp Chip Testing Series5000K CNYSupported

Purchasing Guide

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

  • For procurement requirements that require the use of PLC, it is recommended to clarify the key technical parameters such as I/O points, communication protocols, and processing speed based on actual application scenarios (such as industrial automation, building control, etc.) to ensure compatibility with the equipment.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and companies with industry data support to reduce procurement risks and ensure long-term stable cooperation.
  • In the field of discrete manufacturing, PLCs need to support high-speed pulse output and motion control functions, while the process industry focuses more on analog processing capabilities and redundant design. When purchasing, core performance emphasis should be distinguished.
  • If purchasing in large quantities or involving multiple models of PLCs, it is recommended to comprehensively evaluate the supplier's supply capacity and technical support response efficiency based on their industry performance and platform statistical information.

Knowledge Base

Q

This article introduces the characteristics, common types, and applicable scenarios of small PLCs, helping readers understand how to choose the appropriate small PLC according to their needs and improve automation control efficiency.

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