Updated Aug 5, 2026 · Public platform & industry data

Aug 5, 2026 Updated

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2026 Top 10 Insulating Sheath Manufacturers in China

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

The top 10 Insulating Sheath manufacturers in China for 2026 are: Shanghai Dingzun Special Wire and Cable Co., Ltd, Liaoning Jinda Cable Co., Ltd, Zhejiang Leiyi Electric Co., Ltd, Wuxi Aneng Sliding Contact Electrical Appliance Co., Ltd, Hejian Taichang Electric Power Equipment Co., Ltd, Jiangsu Wenbuluo Wiring Equipment Co., Ltd, Hengshui Qiran Rubber Products Co., Ltd, Tianjin Cable Factory First Branch, Qinghe Feiyuan Rubber Products Co., Ltd, Shanghai Hengyusheng Plasticization 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 Dingzun Special Wire and Cable Co., Ltd
Overall Score4.9 / 5
Est. Date2005-07-08
Registered Capital20000K CNY

Shanghai Dingzun Special Wire and Cable Co., Ltd., with its registered address at 1st Floor, Building 4, No. 136 Changxiang Road, Nanxiang Town, Jiading District, Shanghai, is registered with the Jiading District Market Supervision Administration. The legal representative is Shen Zongxia, and the business scope includes the sales of wire and cable, hardware and electrical equipment, electromechanical products, metal materials, industrial belts, instruments and meters, tools and cutting tools, rubber products, wire processing, and 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: Insulating Sheath, Ul1710, Sc

Top 2
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Liaoning Jinda Cable Co., Ltd
Overall Score4.8 / 5
Est. Date2013-04-03
Registered Capital200000K CNY

Liaoning Jinda Cable Co., Ltd., registered at Yilu Industrial Park, Tieling County Industrial Park, with the registration authority of Tieling County Market Supervision Administration and the legal representative of Wen Senjian, operates in the manufacturing of wires and cables, insulation materials, and special cables; Non ferrous metal wire drawing processing; Wholesale and sales of wires and cables, chemical products, (excluding hazardous chemicals) hardware and electrical equipment, cable materials, rubber, plumbing equipment, metal materials, and plastic products (if the business scope involves pre-approval, it can be operated with pre-approval approval documents) (For projects that require approval according to law, business activities can only be carried out after approval by relevant departments.). Core products: Insulating Sheath, Wire, Cable

Top 3
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Zhejiang Leiyi Electric Co., Ltd
Overall Score4.8 / 5
Est. Date2011-03-31
Registered Capital30088K CNY

Zhejiang Leiyi Electric Co., Ltd. is located at No. 19 Kesi Road, Xiangyang Industrial Zone, Liushi Town, Yueqing City, Zhejiang Province. It was established on March 31, 2011, with the registration authority of Yueqing Market Supervision Administration and the legal representative being Liu Jianchang. Core products: Insulating Sheath, High Voltage Cable Branch Box Series, Heat Shrink Cable Accessories

TOP4
Wuxi Aneng Sliding Contact Electrical Appliance Co., Ltd
Overall Score4.7 / 5
Est. Date2001-04-05
Registered Capital12800K CNY

Wuxi Aneng Sliding Contact Electrical Appliance Co., Ltd., with its registered address in Nongba Village, Dongbeitang Town, Xishan District, Wuxi City, is registered with the Xishan District Administrative Approval Bureau of Wuxi City. The legal representative is Lu Chunjing, and its business scope includes the manufacturing, processing, and sales of safety sliding contact electrical appliances, cable trays, bus ducts, power machinery equipment, metallurgical machinery equipment, mining machinery equipment, vibration conveying machinery equipment, and non-standard metal structural components; Import and export business of various commodities and technologies through self operation and agency, except for commodities and technologies restricted or prohibited by the state for enterprise operation or import and export. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Insulating Sheath, Tube Type Sliding Contact Line, Single Pole Sliding Contact Line

TOP5
Hejian Taichang Electric Power Equipment Co., Ltd
Overall Score4.7 / 5
Est. Date2015-07-07
Registered Capital30000K CNY

Hejian Taichang Electric Power Equipment Co., Ltd., with its registered address in Huguanzhuang Village, Shaheqiao Town, Hejian City, Cangzhou City, Hebei Province, is registered with the Hejian Market Supervision and Administration Bureau and represented by Hu Junfei. Its business scope includes the production and sales of insulators, isolating switches, fuses, lightning arresters, steel core aluminum stranded wires, wires and cables, distribution switches, cable protection tubes, transformers, and electrical accessories (excluding those restricted or eliminated by national industrial policies); Sales of line fittings, fireproof materials, asbestos products, sealing materials, insulation materials, rubber products, plastic products, and import and export business of our company's products. (For projects that require approval by law, business activities can only be carried out after approval by relevant departments). Core products: Insulating Sheath, Composite Wrist Arm Insulator, Fault Indicator

TOP6
Jiangsu Wenbuluo Wiring Equipment Co., Ltd
Overall Score4.6 / 5
Est. Date2010-09-17
Registered Capital10000K CNY

Jiangsu Wenbuluo Wiring Equipment Co., Ltd., registered at the second floor of Building 7, No. 25 Xiongzhuang Road, Kunshan Development Zone, with the registration authority of Kunshan Administrative Approval Bureau and the legal representative of Pan Jie, engages in the sales of wiring equipment, electrical components, and chemical products (excluding hazardous chemicals, monitoring chemicals, and precursor chemicals); Research and development, production, sales, and technical consulting of electrical equipment and accessories, hardware products, automation control equipment, HVAC equipment, gas equipment, electromechanical equipment, environmental protection equipment, computers, automation control software, electronic equipment, fluid control equipment, and communication equipment (excluding satellite broadcasting and television ground receiving facilities). (For projects that require approval by law, business activities can only be carried out after approval by relevant departments) General projects: Import and export of goods; Technology import and export (except for projects that require approval according to law, conducting business activities independently based on the business license in accordance with the law). Core products: Insulating Sheath, M8m12 Connector, Electrical Installation Guide Rail

TOP7
Hengshui Qiran Rubber Products Co., Ltd
Overall Score4.6 / 5
Est. Date2025-05-15
Registered Capital1000K CNY

Hengshui Qiran Rubber and Plastic Products Co., Ltd., with its registered address at No. 418 Jingzhou Rubber and Plastic Pipe Industry Guidance Base, Jing County, Hengshui City, Hebei Province, is registered with the Jing County Market Supervision and Administration Bureau. The legal representative is Liang Haisheng, and its business scope includes general projects such as rubber product manufacturing; Sales of rubber products; Manufacturing of plastic products; Sales of plastic products; Sealing component manufacturing; Sales of seals; Manufacturing of metal tools; Sales of metal products; Manufacturing of metal chains and other metal products; Sales of metal chains and other metal products; Manufacturing of metal processing machinery; Manufacturing of pneumatic power machinery and components; Sales of pneumatic power machinery and components; Mechanical parts and component processing; Sales of mechanical parts and components; Sales of synthetic materials; Manufacturing of general components; Rolling and processing of non-ferrous metals; Import and export of goods (except for projects that require approval according to law, independently conducting business activities that are not prohibited or restricted by laws and regulations). Core products: Insulating Sheath, , Car Washing Machine Handle

TOP8
Tianjin Cable Factory First Branch
Overall Score4.6 / 5
Est. Date1980-06-21
Registered Capital13800K CNY

The first branch of Tianjin Cable Factory, with its registered address in Biyanma Village, Dacheng County, is registered with the Market Supervision and Administration Bureau of Dacheng County, Langfang City. The legal representative is Bi Guodong, and its business scope includes manufacturing and sales of cables and wires (projects that require approval according to law can only be carried out after approval by relevant departments).. Core products: Insulating Sheath, Amplifier Cable, Mining Network Cable (Category 5E)

TOP9
Qinghe Feiyuan Rubber Products Co., Ltd
Overall Score4.4 / 5
Est. Date2013-07-12
Registered Capital1000K CNY

Qinghe Feiyuan Rubber Products Co., Ltd., with its registered address located on the north side of Wangguanzhuang Industrial Zone Street in Qinghe County, is registered with the Qinghe County Market Supervision Administration. The legal representative is Zhang He, and its business scope includes general projects such as rubber product manufacturing; Sales of rubber products; Manufacturing of plastic products; Sales of plastic products; Manufacturing of automotive parts and accessories; Retail of automotive spare parts; Import and export of goods; Technology import and export; Information technology consulting services. (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: Insulating Sheath, Square Sealing Strip, T-Shaped Sealing Strip

TOP10
Shanghai Hengyusheng Plasticization Co., Ltd
Overall Score4.4 / 5
Est. Date2026-03-17
Registered Capital1000K CNY

Shanghai Hengyusheng Plasticization Co., Ltd. is located on the 8th floor of Building 2, No. 1919 Baziqiao Road, Nanqiao Town, Fengxian District, Shanghai (centralized registration location). It was established on March 17, 2026, with the registration authority being the Fengxian District Market Supervision Administration and the legal representative being Huang Zhanbing. Core products: Insulating Sheath, Taiwan Taiwan Gathering, Korean Engineering

Detailed Manufacturer Comparison

ManufacturerEst. DateMain ProductsRegistered CapitalCustomization
Shanghai Dingzun Special Wire and Cable Co., Ltd2005-07-08Insulating Sheath, Ul1710, Sc20000K CNYSupported
Liaoning Jinda Cable Co., Ltd2013-04-03Insulating Sheath, Wire, Cable200000K CNYNot Supported
Zhejiang Leiyi Electric Co., Ltd2011-03-31Insulating Sheath, High Voltage Cable Branch Box Series, Heat Shrink Cable Accessories30088K CNYNot Supported
Wuxi Aneng Sliding Contact Electrical Appliance Co., Ltd2001-04-05Insulating Sheath, Tube Type Sliding Contact Line, Single Pole Sliding Contact Line12800K CNYSupported
Hejian Taichang Electric Power Equipment Co., Ltd2015-07-07Insulating Sheath, Composite Wrist Arm Insulator, Fault Indicator30000K CNYNot Supported
Jiangsu Wenbuluo Wiring Equipment Co., Ltd2010-09-17Insulating Sheath, M8m12 Connector, Electrical Installation Guide Rail10000K CNYSupported
Hengshui Qiran Rubber Products Co., Ltd2025-05-15Insulating Sheath, , Car Washing Machine Handle1000K CNYSupported
Tianjin Cable Factory First Branch1980-06-21Insulating Sheath, Amplifier Cable, Mining Network Cable (Category 5E)13800K CNYSupported
Qinghe Feiyuan Rubber Products Co., Ltd2013-07-12Insulating Sheath, Square Sealing Strip, T-Shaped Sealing Strip1000K CNYSupported
Shanghai Hengyusheng Plasticization Co., Ltd2026-03-17Insulating Sheath, Taiwan Taiwan Gathering, Korean Engineering1000K CNYNot Supported

Purchasing Guide

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

  • For procurement requirements that require the use of insulation sheaths, it is recommended to match specific scenarios based on key technical parameters such as voltage level, temperature resistance range, and material flame retardancy, such as high-voltage cable protection or electrical equipment insulation treatment.
  • When selecting suppliers, priority should be given to product compatibility, business qualifications, enterprise activity, industry performance, and companies with industry data support to ensure supply stability and long-term cooperation potential.
  • When applied in industrial power distribution or new energy fields, attention should be paid to the weather resistance and mechanical strength of the insulation sheath to avoid a decrease in protective performance due to environmental factors.
  • Different specifications of insulation sheaths are suitable for indoor or outdoor scenarios, and the installation environment requirements, such as UV protection or chemical corrosion resistance, should be clearly defined before procurement.

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