Updated Aug 4, 2026 · Public platform & industry data

Aug 4, 2026 Updated

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2026 Top 10 Diode Manufacturers in China Shanghai

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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 Shanghai for 2026 are: Tianjin Haicheng Steel Union International Trade Co., Ltd, Shanghai Yinghaizhou New Energy Technology Co., Ltd, Shanghai Cangjin Electronic Technology Co., Ltd, Xiaoxiao (Shanghai) Photonics Technology Co., Ltd, Zhejiang Huibo Cement Products Co., Ltd, Shanxi Jingang Casting Industry Co., Ltd, Rongwei Cement Products Factory, Huayang Street, Jurong City, Hongben Industrial (Shanghai) Co., Ltd, Shanghai Bamin Electronic Technology Co., Ltd, Zhejiang Jutong Pipe Industry 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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Tianjin Haicheng Steel Union International Trade Co., Ltd

2-202, Courtyard 6, Outer Ring Industrial Company, Fujin Road, Zhongbei Industrial Park, Zhongbei Town, Xiqing District, Tianjin City

Overall Score4.9 / 5
Est. Date2016-08-01
Registered Capital10000K CNY

Tianjin Haicheng Steel Union International Trade Co., Ltd. is located at 2-202, Courtyard 6, Outer Ring Industrial Company, Fujin Road, Zhongbei Industrial Park, Zhongbei Town, Xiqing District, Tianjin. It was established on August 1, 2016, with the registration authority of the Market Supervision Administration of Xiqing District, Tianjin, and the legal representative being Gao Jianjun. Core products: Diode

Top 2
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Shanghai Yinghaizhou New Energy Technology Co., Ltd
Overall Score4.7 / 5
Est. Date2022-11-22
Registered Capital1000K CNY

Shanghai Yinghaizhou New Energy Technology Co., Ltd., registered at Room 301-249, 3rd Floor, Building 2, No. 2729 Zhenbei Road, Putuo District, Shanghai, with the registration authority of Putuo District Market Supervision Administration and the legal representative of Yi Liangwu, operates in general projects including technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Wholesale of electronic components; Retail of electronic components; Sales of electrical instruments and meters; Electronic product sales; Sales of mechanical equipment; Retail of hardware products; Wholesale of hardware products; Sales of pneumatic power machinery and components; Sales of hydraulic power machinery and components; Sales of distribution switch control equipment; Sales of wind and electric tools; Sales of rubber products; Sales of metal materials; Sales of packaging materials and products; Sales of specialized equipment for environmental protection; Sales of household items; Sales of daily necessities; Sales of chemical products (excluding licensed chemical products); Sales of plastic products; 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). Core products: Diode, Fuji, Mitsubishi

Top 3
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Shanghai Cangjin Electronic Technology Co., Ltd
Overall Score4.7 / 5
Est. Date2013-04-19
Registered Capital2000K CNY

Shanghai Cangjin Electronic Technology Co., Ltd., registered at Room 841, Building 7, No. 2229 Jinzhan Road, Tinglin Town, Jinshan District, Shanghai, with the registration authority of Jinshan District Market Supervision and Administration Bureau and the legal representative of Pan Guifang, engages in technology development, technical services, technical consulting, cultural and artistic exchange planning consulting (excluding brokerage), electronic materials, optoelectronic products, instruments and meters, electromechanical equipment and accessories, computers, software and auxiliary equipment (excluding computer information system security special products), electronic products and components, building materials, metal materials, chemical raw materials and products (excluding hazardous chemicals, monitoring chemicals, fireworks and firecrackers, civilian explosives, and precursor chemicals), needle Textiles, clothing and accessories, cultural and office supplies, Sales of environmental protection equipment, engaged in import and export business of goods and technology. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Diode, Hamamatsu Hamamatsu, Ushio Cow Tail

TOP4
Xiaoxiao (Shanghai) Photonics Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2014-06-26
Registered Capital5000K CNY

Xiaoxiao (Shanghai) Photon Technology Co., Ltd., with its registered address at Room 302, No. 5, Lane 99, Jiajie Road, Zhaoxiang Town, Qingpu District, Shanghai, is registered with the Qingpu District Market Supervision and Administration Bureau. The legal representative is Wang Xiuxiang, and the business scope includes technical development, technical consulting, and technical services in the fields of "optoelectronics, communication, mechanical equipment, electronics, computers, and computer networks" technology, electromechanical equipment and accessories, optoelectronic equipment and accessories, communication equipment and related products, instruments and meters, electronic components, computers, software and auxiliary equipment, wires and cables, hardware and electrical equipment, building materials, daily necessities sales, engaged in import and export of goods and technology import and export business, electromechanical equipment installation and maintenance, and computer software development. Projects that require approval by law must be approved by relevant departments before conducting business activities. Core products: Diode, Photodetector, Optical Active Devices

TOP5
Zhejiang Huibo Cement Products Co., Ltd
Overall Score4.6 / 5
Est. Date2015-09-01
Registered Capital15000K CNY

Zhejiang Huibo Cement Products Co., Ltd., with its registered address located in the Industrial Functional Zone of Hengxi Town, Lanxi City, Jinhua City, Zhejiang Province, is registered with the Lanxi Market Supervision Administration. The legal representative is Lin Ling, and its business scope includes general projects such as cement product manufacturing; Sales of cement products; Sales of metal products; Sales of metal materials; Sales of building materials (except for projects that require approval according to law, conducting business activities independently based on the business license in accordance with the law). Licensed project: Construction project construction; Road freight transportation (excluding dangerous goods) (for projects that require approval by law, business activities can only be carried out after approval by relevant departments, and specific business projects are subject to the approval results).. Core products: Diode, Enterprise Style Cement Pipe,

TOP6
Shanxi Jingang Casting Industry Co., Ltd
Overall Score4.5 / 5
Est. Date2020-08-24
Registered Capital600000K CNY

Shanxi Jingang Casting Industry Co., Ltd., with its registered address located approximately 200 meters northeast of Jingang Intelligent Manufacturing Technology Industrial Park in Donggao Village, Bagong Town, Zezhou County, Jincheng City, Shanxi Province, is registered with the Zezhou County Market Supervision and Administration Bureau and represented by Niu Suqiang as its legal representative. Its business scope includes the production and sale of cast pipes and castings; Mechanical processing and related technical services; Import and export of goods; Technology import and export; Construction project construction: Cast pipe installation (excluding hazardous chemicals and pressure pipelines) (for projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Diode, C-Grade Drainage Pipe, C-Grade Water Supply Pipe

TOP7
Rongwei Cement Products Factory, Huayang Street, Jurong City
Overall Score4.5 / 5
Est. Date2017-02-27
Registered Capital-

Rongwei Cement Products Factory in Huayang Street, Jurong City, with its registered address located at Qianjiabian, Huayang Street, Jurong City. The registration authority is the Jurong Administrative Approval Bureau, and the legal representative is Hou Yinmei. Its business scope includes the sale of cement products; Sales of building decoration materials. General project: Manufacturing of new building materials (excluding hazardous chemicals) (except for projects that require approval by law, business activities can be carried out independently based on the business license). Core products: Diode, Dock Bricks, I-Shaped Slope Protection Brick

TOP8
Hongben Industrial (Shanghai) Co., Ltd
Overall Score4.5 / 5
Est. Date2012-12-18
Registered Capital11685.8K CNY

Hongben Industrial (Shanghai) Co., Ltd., with its registered address at 2nd Floor, Lane 688, Jiaqian Road, Jiading District, Shanghai, is registered with the Jiading District Market Supervision Administration. The legal representative is Sun Lunxing, and its business scope includes general projects such as industrial robot manufacturing; Manufacturing of electrical signal equipment devices; Manufacturing of industrial automatic control system devices; Manufacturing of optoelectronic devices; Mold manufacturing; Manufacturing of metal cutting and welding equipment; Manufacturing of intelligent instruments and meters; Manufacturing of specialized equipment for environmental protection; Manufacturing of specialized instruments and meters for environmental monitoring; Manufacturing of hardware products; General equipment manufacturing (excluding special equipment manufacturing); Sales of optoelectronic devices; Sales of packaging materials and products; Mold sales; Sales of metal cutting and welding equipment; Sales of intelligent instruments and meters; Sales of specialized instruments and meters for environmental monitoring; Sales of mechanical equipment; Installation services for ordinary mechanical equipment; Research and development of electronic specialized materials; Mechanical equipment research and development; Research and development of motors and their control systems; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Instrument and meter repair; General equipment repair; Sales of specialized equipment for environmental protection; Mechanical equipment leasing; Information technology consulting services; Retail of hardware products; Import and export of goods; Technology import and export; Marketing planning; Domestic freight forwarding agent; Sales of industrial robots; Sales of industrial automatic control system devices; Development of artificial intelligence application software. (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: Diode, Cold Welding Machine,

TOP9
Shanghai Bamin Electronic Technology Co., Ltd
Overall Score4.4 / 5
Est. Date2019-09-25
Registered Capital3600K CNY

Shanghai Bamin Electronic Technology Co., Ltd. is registered at Building 4, Block J, No. 925 Yecheng Road, Jiading Industrial Zone, Shanghai. The registration authority is Jiading District Market Supervision Bureau, and the legal representative is Chen Yongqiang. Its business scope includes technology development, technology transfer, technology consulting, and technical services in the fields of electronic technology and power technology, sales of power equipment and accessories, electrical equipment and accessories, hardware and electrical equipment, electromechanical equipment, lighting fixtures, instruments and meters, electronic products, intelligent equipment, pneumatic components, electronic components, integrated circuit boards, packaging materials, and rubber products, as well as import and export of goods and technology. Projects that require approval according to law can only carry out business activities after being approved by relevant departments. Core products: Diode, Infineon Module, Fuji Module From Japan

TOP10
Zhejiang Jutong Pipe Industry Co., Ltd
Overall Score4.4 / 5
Est. Date2003-02-27
Registered Capital30000K CNY

Zhejiang Jutong Pipe Industry Co., Ltd., with its registered address at No. 81 Julong West Road, Zhanjia Town, Longyou County, Quzhou City, Zhejiang Province, is registered with the Longyou County Market Supervision Administration. The legal representative is Lin Yaoqi, and its business scope includes general projects such as cement product manufacturing; Sales of cement products; Sales of metal products; Sales of metal materials; Sales of building materials (except for projects that require approval according to law, conducting business activities independently based on the business license in accordance with the law). Licensed project: Construction project construction; Road freight transportation (excluding dangerous goods) (for projects that require approval by law, business activities can only be carried out after approval by relevant departments, and specific business projects are subject to the approval results).. Core products: Diode, Balcony Specific Drainage Pipe, Plastic Drain Pipe

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Tianjin Haicheng Steel Union International Trade Co., Ltd2016-08-01Diode10000K CNYNot Supported
Shanghai Yinghaizhou New Energy Technology Co., Ltd2022-11-22Diode, Fuji, Mitsubishi1000K CNYNot Supported
Shanghai Cangjin Electronic Technology Co., Ltd2013-04-19Diode, Hamamatsu Hamamatsu, Ushio Cow Tail2000K CNYNot Supported
Xiaoxiao (Shanghai) Photonics Technology Co., Ltd2014-06-26Diode, Photodetector, Optical Active Devices5000K CNYNot Supported
Zhejiang Huibo Cement Products Co., Ltd2015-09-01Diode, Enterprise Style Cement Pipe, 15000K CNYNot Supported
Shanxi Jingang Casting Industry Co., Ltd2020-08-24Diode, C-Grade Drainage Pipe, C-Grade Water Supply Pipe600000K CNYNot Supported
Rongwei Cement Products Factory, Huayang Street, Jurong City2017-02-27Diode, Dock Bricks, I-Shaped Slope Protection Brick-Supported
Hongben Industrial (Shanghai) Co., Ltd2012-12-18Diode, Cold Welding Machine, 11685.8K CNYSupported
Shanghai Bamin Electronic Technology Co., Ltd2019-09-25Diode, Infineon Module, Fuji Module From Japan3600K CNYNot Supported
Zhejiang Jutong Pipe Industry Co., Ltd2003-02-27Diode, Balcony Specific Drainage Pipe, Plastic Drain Pipe30000K CNYNot Supported

Purchasing Guide

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

  • For procurement requirements that require the use of diodes, it is recommended to prioritize confirming key technical parameters such as forward current and reverse voltage to ensure compatibility with circuit design and avoid overload or performance issues.
  • In different scenarios such as industrial power supplies or consumer electronics, the characteristics of rectifier diodes and switch diodes differ significantly, and the appropriate type needs to be selected according to actual applications.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and companies with industry data support to balance supply stability and technical reliability.
  • In high-frequency application scenarios, attention should be paid to the response speed and loss parameters of the secondary transistor, and it is recommended to verify the actual performance of the supplier's product in similar applications through industry data.

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