Updated Sep 7, 2026 · Public platform & industry data

Sep 7, 2026 Updated

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2026 Top 10 Diode Manufacturers in China

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

The top 10 Diode manufacturers in China for 2026 are: Shenzhen Hongyi Electronics Co., Ltd, Dongguan Lanjin Optoelectronics Co., Ltd, Shenzhen Xintongkang Technology Co., Ltd, Suzhou Deshengde Electronic Technology Co., Ltd, Shenzhen Xinsihui Technology Co., Ltd, Shenzhen Xinyangyang Technology Co., Ltd, Semiwell Semiconductor (Shanghai) Co., Ltd, Beijing Tianrun Zhongdian High Voltage Electronics Co., Ltd, Shanghai Wangsong New Energy Technology Co., Ltd, Shenzhen Huizhixin 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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Shenzhen Hongyi Electronics Co., Ltd
Overall Score4.9 / 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: Diode, Dfn Test Stand Series, Emmc/Emcp Chip Testing Series

Top 2
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Dongguan Lanjin Optoelectronics Co., Ltd
Overall Score4.7 / 5
Est. Date2012-06-15
Registered Capital5000K CNY

Dongguan Lanjin Optoelectronics Co., Ltd., with its registered address located on the third floor of the factory building at No. 90 Pinggang Street, Zhushan Community, Dongcheng Street, Dongguan City. The registration authority is the Dongguan Market Supervision Administration, and the legal representative is Wang Rong. Its business scope includes research and development, production of light-emitting diodes, electronic products, backlight sources, and their spare parts; Wholesale: electronic products, lighting fixtures; Import and export of goods.. Core products: Diode, Side-Emitting, Iridescent Series

Top 3
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Shenzhen Xintongkang Technology Co., Ltd

501, Building 2, Wanyan Industrial City, Qiaotou Community, Fuhai Street, Bao'an District, Shenzhen

Overall Score4.7 / 5
Est. Date2018-05-23
Registered Capital10000K CNY

Shenzhen Xintongkang Technology Co., Ltd. is located at 501, Building 2, Wanyan Industrial City, Qiaotou Community, Fuhai Street, Bao'an District, Shenzhen. It was established on May 23, 2018 and registered with the Shenzhen Municipal Administration for Market Regulation. The legal representative is Tan Chao. Core products: Diode

TOP4
Suzhou Deshengde Electronic Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2019-10-14
Registered Capital300K CNY

Suzhou Deshengde Electronic Technology Co., Ltd., registered at Room 809, Building 6, Zhongwei Auto Parts Logistics Market, No. 55 Chaoyang East Road, Kunshan Development Zone, with Kunshan Data Bureau as the registration authority and Wang Guanhao as the legal representative, engages in technology development, consulting, services, and transfer in the fields of electronic technology, network technology, and information technology; Integrated circuit design; Sales of electrical equipment and accessories, electrical equipment and accessories, hardware and electrical equipment, electromechanical equipment, instruments and meters, electronic products, smart devices, pneumatic components, electronic components, packaging materials, and rubber products. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Diode, Basman Fuses (Buses), Ixys Rectifier Bridge

TOP5
Shenzhen Xinsihui Technology Co., Ltd
Overall Score4.6 / 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: Diode, Programmable Logic Devices, Integrated Circuit

TOP6
Shenzhen Xinyangyang Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2015-05-05
Registered Capital1000K CNY

Shenzhen Xinyangyang Technology Co., Ltd., with its registered address at 19D, Block A, Building B, Modern Window, No. 1078 Huaqiang North Road, Fuqiang Community, Huaqiang North Street, Futian District, Shenzhen. The registered authority is the Shenzhen Market Supervision Administration, and the legal representative is Chen Xiaolong. Its business scope includes the technical research and sales of electronic components, electronic products, communication products, digital products, and household appliances; Domestic trade; Import and export of goods and technology. The licensed business projects are:. Core products: Diode, Resistor, Microcontroller

TOP7
Semiwell Semiconductor (Shanghai) Co., Ltd
Overall Score4.5 / 5
Est. Date2015-01-29
Registered Capital14001K CNY

Semiwell Semiconductor (Shanghai) Co., Ltd., with its registered address at Building 3, No. 3387 Shendu Road, Minhang District, Shanghai, is registered with the Minhang District Market Supervision Administration. The legal representative is Wang Liyong. Its business scope includes technology development, technology transfer, technology consulting, and technical services in the field of semiconductor technology, sales of semiconductor devices, electronic components, system integrated circuits, circuit protection devices, processing and production of diode products such as transient suppression diodes, solid discharge tubes, Schottky diodes, and transistor products such as thyristors, field-effect transistors, and transistors, as well as 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: Diode, Mosfet, Thyristor

TOP8
Beijing Tianrun Zhongdian High Voltage Electronics Co., Ltd
Overall Score4.5 / 5
Est. Date2006-10-13
Registered Capital5000K CNY

Beijing Tianrun Zhongdian High Voltage Electronics Co., Ltd., with its registered address at Unit 101, 1st to 3rd floors, Building 5, Courtyard 1, No. 6 Shagang Street, Fangshan District, Beijing, registered with the Market Supervision Administration of Fangshan District, Beijing. The legal representative is Wang Shixue, and its business scope includes manufacturing and processing electronic components, instruments and meters, and electromechanical equipment; Professional contracting; Selling hardware and electrical equipment, computers and auxiliary equipment, household appliances, communication equipment, chemical products (excluding Class I precursor chemicals and hazardous chemicals), wires and cables; Installation and maintenance services for household appliances; Technical consulting, technical services, technology transfer, technology training, and technology development; Goods, technology, and agency import and export. (Enterprises shall independently choose their business projects and carry out business activities in accordance with the law; for projects that require approval by law, they shall carry out business activities in accordance with the approved content after obtaining approval from relevant departments; they shall not engage in business activities prohibited or restricted by the industrial policies of this city.). Core products: Diode, High-Voltage Diode, Axial Lead High-Voltage Diode

TOP9
Shanghai Wangsong New Energy Technology Co., Ltd
Overall Score4.3 / 5
Est. Date2019-01-16
Registered Capital3000K CNY

Shanghai Wangsong New Energy Technology Co., Ltd. is registered at Room K136, 5th Floor, No. 277 Huqingping Road, Minhang District, Shanghai. The registration authority is Minhang District Market Supervision Administration, and the legal representative is Cai Wanshun. Its business scope includes the development and sales of new energy technology, power electronic product technology, semiconductor power supplies, fuses, integrated circuit boards, hardware and electromechanical, wire and cable, lighting, instruments and meters, electric and pneumatic tools, packaging materials, plastic and rubber products, and AI intelligent machines. 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: Diode, Fuse Fuse Base, Power Module

TOP10
Shenzhen Huizhixin Electronics Co., Ltd
Overall Score4.3 / 5
Est. Date2020-04-02
Registered Capital6000K CNY

Shenzhen Huizhixin Electronics Co., Ltd., registered at 2505, Building A, Electronic Technology Building, No. 2070 Shennan Middle Road, Fuqiang Community, Huaqiangbei Street, Futian District, Shenzhen, registered with the Futian Supervision Bureau of the Shenzhen Market Supervision Administration, with Chen Wei as the legal representative. Its business scope includes the research and development of electronic products; Sales and research and development of integrated circuits, electronic components, diodes, transistors, resistors and capacitors, relays, inductors, connectors, hardware and electrical components, and fasteners; Managing e-commerce; Domestic trade; Import and export of goods and technology (excluding projects prohibited by laws and administrative regulations; projects restricted by laws and administrative regulations must obtain a license before operation)^. Core products: Diode, Dh30n20, Dh3260

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Shenzhen Hongyi Electronics Co., Ltd2013-09-13Diode, Dfn Test Stand Series, Emmc/Emcp Chip Testing Series5000K CNYSupported
Dongguan Lanjin Optoelectronics Co., Ltd2012-06-15Diode, Side-Emitting, Iridescent Series5000K CNYNot Supported
Shenzhen Xintongkang Technology Co., Ltd2018-05-23Diode10000K CNYNot Supported
Suzhou Deshengde Electronic Technology Co., Ltd2019-10-14Diode, Basman Fuses (Buses), Ixys Rectifier Bridge300K CNYNot Supported
Shenzhen Xinsihui Technology Co., Ltd2008-11-19Diode, Programmable Logic Devices, Integrated Circuit5000K CNYNot Supported
Shenzhen Xinyangyang Technology Co., Ltd2015-05-05Diode, Resistor, Microcontroller1000K CNYNot Supported
Semiwell Semiconductor (Shanghai) Co., Ltd2015-01-29Diode, Mosfet, Thyristor14001K CNYNot Supported
Beijing Tianrun Zhongdian High Voltage Electronics Co., Ltd2006-10-13Diode, High-Voltage Diode, Axial Lead High-Voltage Diode5000K CNYNot Supported
Shanghai Wangsong New Energy Technology Co., Ltd2019-01-16Diode, Fuse Fuse Base, Power Module3000K CNYNot Supported
Shenzhen Huizhixin Electronics Co., Ltd2020-04-02Diode, Dh30n20, Dh32606000K CNYNot Supported

Purchasing Guide

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

  • In the actual procurement process of diodes, it is necessary to clarify key parameters such as forward current, reverse voltage, and switching speed. Industrial applications usually require higher voltage resistance and temperature stability.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and companies with industry data support. These types of suppliers usually have more stable supply capabilities in the diode subdivision field.
  • For different application scenarios such as power rectification, signal protection, or high-frequency circuits, it is recommended to select specifications based on reverse recovery time and packaging type. SMD packaging is more suitable for automated production scenarios.
  • The consumer electronics industry is highly sensitive to the cost of diodes, while automotive electronics is more concerned with the actual parameter compliance outside of AEC-Q101 certification. When purchasing, priority can be adjusted based on specific industry needs.

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