Updated Aug 3, 2026 · Public platform & industry data

Aug 3, 2026 Updated

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2026 Top 10 Diode Manufacturers in China Guangdong

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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 Guangdong for 2026 are: Shenzhen Lanfeng Technology Co., Ltd, Foshan Shengyuan Refractory Insulation Materials Co., Ltd, Guangdong Xinsheng Jianji Environmental Protection Building Materials Co., Ltd, Tianjin Haicheng Steel Union International Trade Co., Ltd, Shenzhen Xingtai Fire Protection Engineering Co., Ltd, Shenzhen Baoruixing Technology Co., Ltd, Shenzhen Yuanxin Semiconductor Co., Ltd, Shenzhen Shichanglong Electronics Co., Ltd, Shenzhen Longxinda Technology Co., Ltd, Shenzhen Hongxin Weiye 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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GuangdongGuangdong
Top 1
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Shenzhen Lanfeng Technology Co., Ltd
Overall Score4.9 / 5
Est. Date2008-04-11
Registered Capital5000K CNY

Shenzhen Lanfeng Technology Co., Ltd., with its registered address at 508, Building A, Shenzhen Zhihui Innovation Center, Hangcheng Industrial Zone, Taoyuan Community, Xixiang Street, Bao'an District, Shenzhen. The registration authority is the Shenzhen Market Supervision Administration, and the legal representative is Xie Cailong. Its business scope includes the production and sales of infrared receivers, infrared emitting tubes, light-emitting diodes, connecting wires, and receiving wires; Technical development and sales of electronic products; Domestic trade, import and export of goods and technology. (Except for projects prohibited or required to be approved before registration by laws, administrative regulations or decisions of the State Council)^. Core products: Diode, Infrared Receiver, Infrared Display Line

Top 2
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Foshan Shengyuan Refractory Insulation Materials Co., Ltd
Overall Score4.7 / 5
Est. Date2014-10-09
Registered Capital3000K CNY

Foshan Shengyuan Refractory and Thermal Insulation Materials Co., Ltd., with its registered address at No. 7, North of Hongxing Hot Plug Die Casting Factory, Xingxian Industrial Zone, Shishan Town, Nanhai District, Foshan City (registered address declared), is registered with the Nanhai District Market Supervision and Administration Bureau of Foshan City, and its legal representative is He Kunning. Its business scope includes wholesale and retail of refractory materials, insulation materials, and coal; Wholesale of other chemical products (excluding hazardous chemicals); Domestic trade; Import and export of goods and technology. (Except for pre-approval items for business registration and projects prohibited by laws and regulations) (For projects that require approval by law, business activities can only be carried out after approval by relevant departments.) (For projects that require approval by law, business activities can only be carried out after approval by relevant departments.). Core products: Diode, Refractory Materials For Metallurgical Non-Ferrous Metals, Series Of Refractory Materials For Intermediate Frequency Furnace Induction Furnace

Top 3
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Guangdong Xinsheng Jianji Environmental Protection Building Materials Co., Ltd
Overall Score4.7 / 5
Est. Date2024-03-12
Registered Capital5000K CNY

Guangdong Xinsheng Jianji Environmental Protection Building Materials Co., Ltd., with its registered address at 28-3 Tanling Avenue West, Dagang Town, Nansha District, Guangzhou, is registered with the Market Supervision Administration of Nansha District, Guangzhou. The legal representative is Yang Daming, and its business scope includes the manufacturing of cement products; Sales of cement products; Sales of metal structures; Mold sales; Manufacturing of concrete structural components; Sales of building materials; Sales of concrete structural components; Municipal facility management; Manufacturing of metal structures; Construction of landscaping and greening projects; Internet sales (except for the sale of goods that need to be licensed); Sales of mechanical equipment; Industrial engineering design services; House demolition services; Engineering management services; Sales of building decoration materials; Brick and tile sales; Brick and tile manufacturing; Sales of building blocks; Black metal casting; Manufacturing of building blocks; Research and development of construction waste recycling technology; Information technology consulting services; Domestic trade agency; Stone processing for construction; Sales of plastic products; Manufacturing of plastic products; Sales of metal materials; Sales agent;;. Core products: Diode, Cement Cover Plate, Inspection Chamber

TOP4
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 Score4.6 / 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

TOP5
Shenzhen Xingtai Fire Protection Engineering Co., Ltd
Overall Score4.6 / 5
Est. Date2017-12-26
Registered Capital2000K CNY

Shenzhen Xingtai Fire Protection Engineering Co., Ltd., registered at 12B12, Yifang Building, No. 315 Shuangming Avenue, Dongzhou Community, Guangming Street, Guangming District, Shenzhen, registered with the Shenzhen Municipal Administration for Market Regulation, with Mao Feng as the legal representative. Its business scope includes the sales of fire equipment, fire equipment, building decoration materials, marble, granite, labor protection products, safety protection products, electronic security products, hardware products, and lighting equipment; Design of fire protection engineering, decoration engineering, and interior and exterior decoration of stone materials; Construction of fire protection engineering, decoration engineering, stone indoor and outdoor decoration engineering, and mechanical and electrical installation engineering. Construction of landscaping projects. Fire technology services. Sales of labor protection equipment; Sales of special labor protection equipment; Sales of security equipment; Sales of signs for transportation and public management; Sales of semiconductor lighting devices; Sales of lighting fixtures; Sales of daily necessities; Sales of daily necessities; Sales of office equipment; Sales of office equipment and consumables; Sales of office supplies; Electronic product sales; Sales of digital video surveillance systems; Needle textile sales; Retail of shoes and hats; Clothing and apparel retail. (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, Electrical Fire Monitoring System, Fire Protection Design And Construction

TOP6
Shenzhen Baoruixing Technology Co., Ltd
Overall Score4.5 / 5
Est. Date2009-07-06
Registered Capital5747.11K CNY

Shenzhen Baoruixing Technology Co., Ltd., registered at Room 905A, 9th Floor, Building B, Fu'an Technology Building, No. 013 Gaoxin South 1st Road, High tech Zone Community, Yuehai Street, Nanshan District, Shenzhen, registered with the Shenzhen Market Supervision Administration and represented by Jinyun as the legal representative. Its business scope includes technology development and sales of electronic products and electronic components, as well as domestic trade (excluding exclusive, controlled, and monopolized goods); Engaged in the import and export of goods and technology (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, Diode, Transistor

TOP7
Shenzhen Yuanxin Semiconductor Co., Ltd
Overall Score4.5 / 5
Est. Date2013-08-28
Registered Capital10000K CNY

Shenzhen Yuanxin Semiconductor Co., Ltd., registered at 1920, Nan Guang Jie Jia Building, No. 3037 Shennan Middle Road, Funan Community, Futian Street, Futian District, Shenzhen, with the registration authority of Futian Bureau and the legal representative of Huang Qingwu. Its business scope includes the research and sales of electronic accessories and semiconductor materials, as well as computer peripheral products; Domestic trade (excluding exclusive, monopolized, and controlled goods); Engage in import and export business (excluding restricted items) The licensed business projects are:. Core products: Diode, Small Signal Transistor,

TOP8
Shenzhen Shichanglong Electronics Co., Ltd
Overall Score4.5 / 5
Est. Date2014-08-14
Registered Capital5000K CNY

Shenzhen Shichanglong Electronics Co., Ltd., registered at 1007, 10th floor, Shangmei Times, No. 57 Longguan East Road, Qinghua Community, Longhua Street, Longhua District, Shenzhen, with the Shenzhen Market Supervision Administration as the registration authority and Li Yuntao as the legal representative. Its business scope includes general business projects such as electronic components, power products, integrated circuits, smart chips, smart wearable products, electronic digital products, mobile phone accessories, plastic products, automation equipment, purification equipment, optoelectronic products, electromechanical machinery, computer software and hardware, connecting wires, connectors, computer peripheral products, wire and cable, audio equipment, instruments and meters, electronic products and communication products; Domestic trade; Import and export of goods and technology; Invest in the establishment of industries (specific projects to be declared separately); Managing e-commerce. The licensed business projects are:. Core products: Diode, Mos Transistor, Xinmao Micro

TOP9
Shenzhen Longxinda Technology Co., Ltd
Overall Score4.4 / 5
Est. Date2005-03-29
Registered Capital500K CNY

Shenzhen Longxinda Technology Co., Ltd., with its registered address at Room 703, Building B, Fuyuan Commercial Building, southeast of Xin'an Chuangye West Road, Bao'an District, Shenzhen (office space), registered with the Shenzhen Market Supervision and Administration Bureau, and represented by Wu Sheng as the legal representative. Its business scope includes general business projects: technology development and sales of photoresists and electronic products; Domestic commercial and material supply and marketing industry. Licensed business projects (excluding exclusive, controlled, and monopolized goods): None.. Core products: Diode, Environmentally Friendly Photoresistor, Photoresistor

TOP10
Shenzhen Hongxin Weiye Technology Co., Ltd
Overall Score4.4 / 5
Est. Date2011-06-29
Registered Capital3000K CNY

Shenzhen Hongxin Weiye Technology Co., Ltd., registered at 1011 Wanzhi Building, No. 10 Banjin Road, Yangmei Community, Bantian Street, Longgang District, Shenzhen, with Longgang Bureau as the registration authority and Qu Lili as the legal representative. Its business scope includes general business projects such as technology development and sales of computer software and hardware, electronic components, and electronic products; Domestic trade, import and export of goods and technology. Except for projects prohibited or required to be approved before registration by laws, administrative regulations, or decisions of the State Council, the licensed business projects are:. Core products: Diode, Lead-Acid Battery, Regulator

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Shenzhen Lanfeng Technology Co., Ltd2008-04-11Diode, Infrared Receiver, Infrared Display Line5000K CNYNot Supported
Foshan Shengyuan Refractory Insulation Materials Co., Ltd2014-10-09Diode, Refractory Materials For Metallurgical Non-Ferrous Metals, Series Of Refractory Materials For Intermediate Frequency Furnace Induction Furnace3000K CNYNot Supported
Guangdong Xinsheng Jianji Environmental Protection Building Materials Co., Ltd2024-03-12Diode, Cement Cover Plate, Inspection Chamber5000K CNYNot Supported
Tianjin Haicheng Steel Union International Trade Co., Ltd2016-08-01Diode10000K CNYNot Supported
Shenzhen Xingtai Fire Protection Engineering Co., Ltd2017-12-26Diode, Electrical Fire Monitoring System, Fire Protection Design And Construction2000K CNYNot Supported
Shenzhen Baoruixing Technology Co., Ltd2009-07-06Diode, Diode, Transistor5747.11K CNYNot Supported
Shenzhen Yuanxin Semiconductor Co., Ltd2013-08-28Diode, Small Signal Transistor, 10000K CNYNot Supported
Shenzhen Shichanglong Electronics Co., Ltd2014-08-14Diode, Mos Transistor, Xinmao Micro5000K CNYNot Supported
Shenzhen Longxinda Technology Co., Ltd2005-03-29Diode, Environmentally Friendly Photoresistor, Photoresistor500K CNYNot Supported
Shenzhen Hongxin Weiye Technology Co., Ltd2011-06-29Diode, Lead-Acid Battery, Regulator3000K 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