Updated Jul 30, 2026 · Public platform & industry data

Jul 30, 2026 Updated

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2026 Top 10 Cable Junction Box Manufacturers in China Shanghai

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Top-rated Cable Junction Box suppliers, How to choose a Cable Junction Box manufacturer, Best Cable Junction Box companies in China

The top 10 Cable Junction Box manufacturers in Shanghai for 2026 are: Shanghai Sprewell Electric Co., Ltd, Shanghai Qinlan Electrical System Engineering Co., Ltd, Shanghai Chonghai Electronics Co., Ltd, Shanghai Yiwu Automation Technology Co., Ltd, Shanghai Keyingfa Electrical Technology Co., Ltd, Shanghai Yufang Electric Co., Ltd, Shanghai Huiyi Electric Co., Ltd, Mecano Components (Shanghai) Co., Ltd, Ke Ying Fa Xian Kuai Technology (Shanghai) Co., Ltd, Shanghai Yunlian Electrical 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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Shanghai Sprewell Electric Co., Ltd
Overall Score4.9 / 5
Est. Date2011-06-20
Registered Capital20410K CNY

Shanghai Spweier Electric Co., Ltd., registered at 4th floor, No. 10, Lane 388, Luodian Road, Baoshan District, Shanghai, with the registration authority of Baoshan District Market Supervision Administration and the legal representative of Xie Qiuhua, has a business scope including general projects: research and development of distribution switch control equipment; Sales of distribution switch control equipment; Sales of intelligent power transmission and distribution and control equipment; Sales of cloud computing devices; Wholesale of hardware products; Sales of mechanical parts and components; Sales of plastic products; Sales of refrigeration and air conditioning equipment; Sales of mechanical and electrical equipment; Sales of lighting fixtures; Sales of information security equipment; Sales of lighting fixtures; Sales of power electronic components; Mold sales; Sales of fans and blowers; Sales of photovoltaic equipment and components; Solar power generation technology services; Rental of photovoltaic power generation equipment; Import and export of goods; Technology import and export; Sales of electrical equipment; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of paper 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: Cable Junction Box, 10% Off/16% Off Cabinet (Modular Cabinet), Plastic Waterproof Distribution Box

Top 2
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Shanghai Qinlan Electrical System Engineering Co., Ltd
Overall Score4.7 / 5
Est. Date2012-02-21
Registered Capital11000K CNY

Shanghai Qinlan Electrical System Engineering Co., Ltd., registered at Room 1001, 10th Floor, Building 14, No. 98 Fulian 1st Road, Baoshan District, Shanghai, with the registration authority of Baoshan District Market Supervision and Administration Bureau and the legal representative He Yong, the business scope includes general projects: manufacturing of distribution switch control equipment; Manufacturing of electrical accessories; Manufacturing of power transmission, distribution and control equipment; Manufacturing of power facilities and equipment; Sales of electrical equipment; Sales of mechanical and electrical equipment; Sales of mechanical equipment; Sales of instruments and meters; Sales of electrical accessories; Furniture sales; Sales of lubricating oil; Sales of office supplies; Sales of labor protection equipment; Sales of power facilities and equipment; Sales of electronic components and electromechanical equipment; Sales of communication equipment; Sales of refrigeration and air conditioning equipment; Operation of wires and cables; Sales of communication equipment; Sales of electrical signal equipment devices; Wholesale of computer software, hardware, and auxiliary equipment; Sales of lighting fixtures; Sales of wind and electric tools; Wholesale of hardware products; Sales of household appliances; Electronic product sales; Installation services for ordinary mechanical equipment; Electrical equipment repair; Engineering and technical services (excluding planning management, survey, design, and supervision); Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Sales of power electronic components; Sales of security equipment; Sales of Class I medical devices; Sales of firefighting equipment; Sales of chemical products (excluding licensed chemical products); Technology import and export; Import and export of goods. (Except for projects that require approval according to law, business activities can be carried out independently based on the business license) Licensed project: Electrical installation services. (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: Cable Junction Box, Junction Box, Explosion-Proof Junction Box

Top 3
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Shanghai Chonghai Electronics Co., Ltd
Overall Score4.7 / 5
Est. Date2003-03-13
Registered Capital10500K CNY

Shanghai Chonghai Electronics Co., Ltd., with its registered address at Room A3050, No. 3, Lane 1755, Zhangbei Road, Nanxiang Town, Jiading District, is registered with the Jiading District Market Supervision Administration. The legal representative is Chen Wei, and its business scope includes general projects such as electronic product sales; Retail of electronic components; Sales of power electronic components; Retail of computer software, hardware, and auxiliary equipment; Sales of distribution switch control equipment; Retail of hardware products; Retail of automotive spare parts; Retail of motorcycles and spare parts; Sales of mechanical equipment; Sales of lighting fixtures; Import and export of goods; Repair of communication equipment; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion. (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: Cable Junction Box, Fiberglass Electrical Box, Junction Box

TOP4
Shanghai Yiwu Automation Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2014-03-18
Registered Capital6000K CNY

Shanghai Yiwu Automation Technology Co., Ltd., registered at Room 3898, Building 9, No. 6558 Tingwei Road, Jinshan Industrial Zone, Shanghai, with the registration authority of Jinshan District Market Supervision and Administration Bureau and the legal representative of Chen Xuewen, engages in industrial automation technology, technical development, technical consulting, technical services (except for special equipment), installation and maintenance of industrial automation equipment (except for special equipment), electrical equipment, pneumatic components, electronic components, electromechanical equipment and accessories, rubber products, metal materials and products, wire and cable, pipeline accessories, air conditioning equipment, mechanical equipment and accessories sales, enterprise management consulting, and 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: Cable Junction Box, Cast Aluminum Junction Box, Stainless Steel Button Box

TOP5
Shanghai Keyingfa Electrical Technology Co., Ltd
Overall Score4.6 / 5
Est. Date2009-04-15
Registered Capital10000K CNY

Shanghai Keyingfa Electric Technology Co., Ltd., with its registered address at No. 2, Lane 325, Jiujing Road, Jiuting Town, Songjiang District, Shanghai, is registered with the Songjiang District Market Supervision Administration. The legal representative is Han Zhonghua, and its business scope includes general projects such as electronic component manufacturing; Manufacturing of power electronic components; Manufacturing of security equipment; Manufacturing of optical instruments; Sales of electrical equipment; Sales of optical instruments; Sales of power facilities and equipment; Fiber optic cable sales; Sales of instruments and meters; Retail of electronic components; Wholesale of electronic components; Sales of power electronic components; Sales of distribution switch control equipment; Retail of hardware products; Wholesale of hardware products; Sales of mechanical equipment; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; 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: Cable Junction Box, Special Connectors, M23 Connector

TOP6
Shanghai Yufang Electric Co., Ltd
Overall Score4.5 / 5
Est. Date2012-03-26
Registered Capital16770K CNY

Shanghai Yufang Electric Co., Ltd. is registered at Room 7778, Building 1, No. 225 Xinggong Road, Tinglin Town, Jinshan District, Shanghai. The registration authority is Jinshan District Market Supervision Administration, and the legal representative is Zhang Jing. The business scope includes licensed projects and various engineering construction activities. (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 issued by relevant departments.) General project: Manufacturing of distribution switch control equipment; Manufacturing of power electronic components; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion; Electronic product sales; Sales of electrical equipment; Sales of construction machinery; Operation of wires and cables; Sales of lighting fixtures; Sales of instruments and meters; Sales of household appliances; Sales of communication equipment; Sales of daily necessities; Sales of labor protection equipment; Sales of metal materials; Wholesale of hardware products; Wholesale of computer software, hardware, and auxiliary equipment; Sales of building materials; Sales of building decoration materials; Sales of specialized equipment, key systems, and components for rail transit; Sales of distribution switch control equipment; Sales of power electronic components; Sales of electronic components and electromechanical 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: Cable Junction Box, Reliance Chengdu Ruilian, Weidmüller

TOP7
Shanghai Huiyi Electric Co., Ltd
Overall Score4.5 / 5
Est. Date2022-11-07
Registered Capital15000K CNY

Shanghai Huiyi Electric Co., Ltd., with its registered address at Building D373, No. 2, Lane 158, Gangye Road, Xiaokunshan Town, Songjiang District, Shanghai, is registered with the Songjiang District Market Supervision Administration and represented by Yin Le as its legal representative. Its business scope includes general projects such as mechanical and electrical equipment manufacturing; Sales of mechanical and electrical equipment; Manufacturing of transformers, rectifiers, and inductors; Manufacturing of distribution switch control equipment; Sales of distribution switch control equipment; Manufacturing of power facilities and equipment; Sales of power facilities and equipment; Manufacturing of photovoltaic equipment and components; Sales of photovoltaic equipment and components; Manufacturing of power electronic components; Sales of power electronic components; Electrical equipment repair; Sales of electrical equipment; Sales of intelligent power transmission and distribution and control equipment; Sales of instruments and meters; Sales of electrical equipment; Sales of metal tools; Sales of metal products; Sales of lighting fixtures; Sales of security equipment; Sales of packaging materials and products; Sales of generators and generator sets; Battery sales; Sales of mechanical parts and components; Sales of specialized equipment for environmental protection; Sales of household appliances; Retail of hardware products; Operation of wires and cables; Professional design services; Technical services, technology development, technology consulting, technology exchange, technology transfer, and technology promotion. (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: Cable Junction Box, Plug And Unplug Head Series,

TOP8
Mecano Components (Shanghai) Co., Ltd
Overall Score4.5 / 5
Est. Date1996-08-06
Registered Capital3925K USD

Meikano Components (Shanghai) Co., Ltd., with its registered address at 1001 Jiaqian Road, Nanxiang Town, Jiading District, Shanghai, registered with the Shanghai Administration for Market Regulation, and represented by Rene Schaeffeler as its legal representative. Its business scope includes the production of actuators, electrical switches, terminals, explosion-proof electrical devices, industrial chassis, linear guides, and connectors, as well as the sale of our own products; The import, export, and wholesale of the above-mentioned products and similar goods, instruments and meters, electronic devices, and electronic products, and the provision of related supporting services. (Not involving goods under state-owned trade management; for goods under quota or license management, the application shall be processed in accordance with relevant national regulations) [For projects that require approval by law, business activities can only be carried out after approval by relevant departments]. Core products: Cable Junction Box, Mecano Bopla Instrument Housing, Rose Handheld Chassis

TOP9
Ke Ying Fa Xian Kuai Technology (Shanghai) Co., Ltd
Overall Score4.3 / 5
Est. Date2019-02-12
Registered Capital10000K CNY

Ke Ying Fa Xian Kuai Technology (Shanghai) Co., Ltd., with its registered address at 2nd Floor, Building 5, No. 1881 Laiyin Road, Jiuting Town, Songjiang District, Shanghai, is registered with the Songjiang District Market Supervision Administration and represented by Han Zhonghua. Its business scope includes general projects such as technical consulting, technical services, technology development, and technology transfer in the field of electrical technology; Production, research and development, and sales of electronic components, sensors, automation equipment and accessories, communication equipment, automotive wiring harnesses and terminals, monitoring system equipment, high and low voltage electrical equipment; Wholesale and retail of electrical equipment, wires and cables, instruments and meters, hardware and electrical equipment, electromechanical equipment and accessories; Import and export of goods or technology (excluding goods and technology prohibited by the state or subject to administrative approval). (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: Cable Junction Box, M12 Connector, M8 Junction Box

TOP10
Shanghai Yunlian Electrical Technology Co., Ltd
Overall Score4.3 / 5
Est. Date2020-03-13
Registered Capital20000K CNY

Shanghai Yunlian Electrical Technology Co., Ltd., with its registered address at No. 6, Lane 2699, Jiangshan Road, Lingang New Area, China (Shanghai) Pilot Free Trade Zone, is registered with the Market Supervision and Administration Bureau of Lingang New Area, with Huang Wenjuan as its legal representative. Its business scope includes general projects such as technical services, technology development, technology consulting, and technology transfer in the fields of electrical technology, electromechanical technology, and automation technology; Manufacturing of automotive parts and accessories; Manufacturing of communication equipment; Manufacturing of electrical signal equipment devices; Manufacturing of power electronic components; Manufacturing of integrated circuit chips and products; Manufacturing of ordinary valves and plugs (excluding special equipment manufacturing); Manufacturing of hydraulic power machinery and components; Industrial robot manufacturing; Sales of industrial robots; Sales of new energy vehicle battery swapping facilities; Electronic product sales; Sales of instruments and meters; Sales of hardware and electrical equipment; Manufacturing of optoelectronic devices; Sales of electrical equipment; Information technology consulting services; Import and export of goods, import and export of technology. (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: Cable Junction Box, Sensor, Electric Hydraulic Mining Connector

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Shanghai Sprewell Electric Co., Ltd2011-06-20Cable Junction Box, 10% Off/16% Off Cabinet (Modular Cabinet), Plastic Waterproof Distribution Box20410K CNYSupported
Shanghai Qinlan Electrical System Engineering Co., Ltd2012-02-21Cable Junction Box, Junction Box, Explosion-Proof Junction Box11000K CNYSupported
Shanghai Chonghai Electronics Co., Ltd2003-03-13Cable Junction Box, Fiberglass Electrical Box, Junction Box10500K CNYSupported
Shanghai Yiwu Automation Technology Co., Ltd2014-03-18Cable Junction Box, Cast Aluminum Junction Box, Stainless Steel Button Box6000K CNYSupported
Shanghai Keyingfa Electrical Technology Co., Ltd2009-04-15Cable Junction Box, Special Connectors, M23 Connector10000K CNYNot Supported
Shanghai Yufang Electric Co., Ltd2012-03-26Cable Junction Box, Reliance Chengdu Ruilian, Weidmüller16770K CNYSupported
Shanghai Huiyi Electric Co., Ltd2022-11-07Cable Junction Box, Plug And Unplug Head Series, 15000K CNYNot Supported
Mecano Components (Shanghai) Co., Ltd1996-08-06Cable Junction Box, Mecano Bopla Instrument Housing, Rose Handheld Chassis3925K USDNot Supported
Ke Ying Fa Xian Kuai Technology (Shanghai) Co., Ltd2019-02-12Cable Junction Box, M12 Connector, M8 Junction Box10000K CNYNot Supported
Shanghai Yunlian Electrical Technology Co., Ltd2020-03-13Cable Junction Box, Sensor, Electric Hydraulic Mining Connector20000K CNYSupported

Purchasing Guide

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

  • For procurement requirements that require the use of cable junction boxes, it is recommended to screen based on key technical parameters such as voltage level, protection level, and interface quantity to ensure compatibility with existing power systems.
  • In industrial plants or outdoor power distribution scenarios, cable junction boxes with anti-corrosion and waterproof functions should be prioritized to adapt to long-term stable operation in complex environments.
  • When selecting suppliers, reference can be made to standards such as product compatibility, business qualifications, enterprise activity, industry performance, and industry data support to ensure supply stability.
  • When purchasing, attention should be paid to the material selection of the junction box, such as the durability performance of aluminum alloy or stainless steel shells under different temperature and humidity conditions.
  • For special scenarios such as underground cable networks, it is recommended to use junction boxes with mechanical protective structures to reduce the risk of equipment damage caused by external pressure.

Knowledge Base

Q

This article analyzes the key points for selecting the model and specifications of cable distribution boxes, from application scenarios to material characteristics, to help users match ideal products according to actual needs and avoid purchasing errors.

Q

This article explores the issue of whether conduit is required for cable connection between copper busbar plug-in boxes and distribution boxes. Based on the actual situation, it is generally recommended to use a sleeve at the connection point, which can effectively avoid problems such as loose interfaces and virtual welding, and ensure the reliability of the connection.

Q

When wiring equipment, it is necessary to connect the equipment wires to the secondary electrical box. This article will introduce how to connect wires correctly, including selecting appropriate wire types, correct wiring sequence, and precautions.

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